瑞士亲子自行车
自行车的历史
三、公路自行车
公路自行车的骑行速度要比普通自行车快很多，普通的爱好者稍加训练以后，一般都可以达到每小时骑行35千米平路的水平，而一个优秀的公路自行车运动员在路况良好的平地路段上长距离骑行时的平均时速可以保持在40至50千米每小时。
自行车的历史
伯爵的玩具
自行车起源很早，在1766年一群意大利的修士在整理达芬奇的手稿时，发现他在1492年就绘制了一张自行车的草图，与1867年皮埃尔米少克斯发明的那辆车几乎是完全一样的。而后在1508年的意大利的殿堂上也有一幅“小天使驾车行云图”，也就是说自行车的起源可以追溯到15世纪了。但这是人们的一个想象，并没有真的实物出现。而得到世界公认的是在1790年由法国的一名伯爵发明的自行车。法国的西夫拉克伯爵在一个下雨天，在拥挤街头被经过的四轮马车溅了一身泥，这一个场景使他突发奇想：四轮马车这么宽，应当把马车顺着切掉一半，四个轮子变成前后两个车轮，那么街道就不会这样拥挤了，于是1790年第一辆代步的“木马轮”小车诞生了。这辆小车有前后两个木质轮子，中间连着横梁，上面安了一条板凳，像一个玩具。这辆“木马轮”没有传动链条，又无转向装置，骑行时是靠双脚踩踏地面前行，在需要拐弯时，骑行者要下车来调整好方向，然后再上车前行，骑动起来非常麻烦，所以也被当时的人们称之为“伯爵的玩具”或“变瘦的马车”。
自行车诞生于18世纪，经过二百多年的历史演变，它从最初简单的器械，逐渐发展成为千百万人使用的交通工具。随着自行车的发展，又赋予了它许多新的文化内涵。
回顾这一段段发展史，不但可以了解它的结构演化过程，同时也会看到一些有趣的故事。
教你瑞士军刀的使用方法
教你瑞士军刀的使用方法这里为大家奉上瑞士军刀使用方法军刀的外壳军刀的外壳主要分四种：光面塑料壳、磨砂塑料壳（俗称：麻面）、纯金属外壳（铝、钢等）、豪华外壳（贝壳、高档木壳、金、银、镶钻等等）。
这篇文章主要讲的是我们日常生活中常见的前三种外壳的军刀。
相对来说光面的塑料壳（透明的与不透的）最“嫩”，用指甲用力一划或用手指用力一擦就会造成永久的不可修复的划伤，军刀从瑞士运来，大部分是与说明书装在纸盒里运来的，纸盒在运输的过程中不可避免的会进一些小的尘土，一但与军刀磨擦就会出现划伤，只不过是大部分军刀划伤的不太明显，不仔细看是看不出来的，而军刀一但使用一天之后，它与手、桌面、衣服、甚至是皮套都会造成刀柄一定程度的划伤，如果不想让外壳划伤，那只有一个办法：不使用军刀。
但这是不现实的，所以对于外壳的划伤大家自己小心就行了。
外壳最怕的就是摔，从一米多高的地方自由落体掉到水泥或大理石地面上，如果是刀头号或是刀尾的塑料壳先着地，就很有可能会摔裂、甚至是摔碎外壳，有的朋友可能会问，那军刀这么贵的东西怎么会这么不经摔？其实说到头，军刀还是民品，外壳就是普通的塑料，外壳的强度还是有限的，磨砂的外壳要比光面的结实一点点，但也怕摔，从再高的地方掉下来，一样会坏。
有的人过份在意军刀的外壳，甚至认为外壳有了划痕军刀都不好用了，这里我要反问一句，你买军刀是用军刀里的功能来解决问题呢？还是用军刀的刀柄解决问题？金属外壳的军刀从不太高的地方掉下来之后可能不会摔裂，但金属外壳也容易变形，所以大家在使用军刀的时候尽量拿住了，不要将它掉在硬的地面上。
另外，外壳也怕高温、低温、强酸等等。
主刀、小刀首先我要说的是不要用手或身体的其它部位去试验军刀的刀是否锋利，因为已经有N多人被割破皮肤了。
主刀的主要用处是切削有机物，大部分是食物，而小刀是用来切削无机物，如铅笔、纸、薄塑料片等等，使用时绝对不能用刀尖和刀刃来拧螺丝，这样十分容易使刀刃劈锋，也不能用刀切削金属，就算是易拉罐的铝皮非到必要时刻也不要用军刀来削，因为这样对刀刃也有不小的损伤。
专访瑞士驻华大使 戴尚贤
100 CHINA BICYCLEINTERVIEW高端访谈瑞士是全球最富裕、经济最发达和生活水平最高的国家之一，同时，瑞士也是世界上最不该错过的骑行胜地之一。
今天，小编就来到了瑞士驻华大使馆，专访了瑞士驻华大使戴尚贤先生，来听听他为我们讲述的骑行天堂——瑞士。
CHINA BICYCLE 101INTERVIEW高端访谈102 CHINA BICYCLECHINA BICYCLE 103国家主席习近平于2017年1月15日至18日对瑞士进行了国事访问，这是新世纪以来，中国国家元首第一次对瑞士进行国事访问。
4天时间里，习近平主席辗转苏黎世、伯尔尼、达沃斯、洛桑、日内瓦5地，访问期间中瑞签署多项合作协议，涵盖外交、经贸、发展合作、能源、海关、知识产权、文化、教育、体育、地方交往等广泛领域，这次访问达成的丰硕成果再次证明，中瑞两国是不同社会制度、不同发展阶段、不同大小国家友好合作的典范。
习近平主席这样评价本次对瑞士的国事访问：“我这次访问瑞士期间双方签署的多项合作协议，将给中瑞经贸合作带来新机遇，增添新动力。
”瑞士和中国的民间往来也十分密切，据瑞士国家旅游局的报告显示，中国已经是瑞士的第四大游客来源地，位居德国、美国和英国之后。
卢塞恩、因特拉肯、苏黎世与日内瓦是最受中国游客欢迎的瑞士旅游目的地，除了欣赏瑞士标志性的湖光山色外，滑雪等雪上运动体验也开始受到中国游客的追捧，冬季冰雪游已成《骑行风尚》：在自行车文化的领域里，瑞士无疑是一个强国，而中国也是另外一层意义上的自行车大国，在您看来，我们两国在对待自行车文化上主要区别体现在哪里？戴尚贤：我31年前第一次来到中国，就发现在当时的中国，自行车几乎是市民最为普及的交通工具。
虽然当时街上也有公交车和一些卡车，但是绝大多数人，依然骑着他们的自行车出行。
随着中国经济的腾飞，在大城市中，私家车渐渐代替了自行车在人们出行时的地位。
不过在今天，随着大城市的交通问题日益严峻，人们又重新将视野对准了自行车。
16 cfr 1512
16 CFR Ch. II (1–1–07 Edition)Pt.1511, Fig. 2 F IGURE 2 TO P ART 1511—S MALL P ARTS G AGEPART 1512—REQUIREMENTS FORBICYCLESSubpart A—RegulationsSec.1512.1Scope.1512.2Definitions.1512.3Requirements in general. 1512.4Mechanical requirements.1512.5Requirements for braking system. 1512.6Requirements for steering system. 1512.7Requirements for pedals.1512.8Requirements for drive chain.1512.9Requirements for protective guards.1512.10Requirements for tires. 1512.11Requirements for wheels.1512.12Requirements for wheel hubs. 1512.13Requirements for front fork.1512.14Requirements for fork and frame as-sembly.1512.15Requirements for seat.1512.16Requirements for reflectors. 1512.17Other requirements.1512.18Tests and test procedures. 1512.19Instructions and labeling. 1512.20Separability.Subpart B—Policies and Interpretations[Reserved ]Figure 1 to Part 1512—Bicycle Front Fork CantileveConsumer Product Safety Commission §1512.4F IGURE1 TO P ART1512—B ICYCLE F RONT F ORKC ANTILEVER B ENDING T EST R IGF IGURES 2 AND 3 TO P ART1512—H ANDLEBARS TEM L OADING AND E NTRANCE8 O BSERVA-TION A NGLESF IGURE5 TO P ART1512—T YPICAL H ANDBRAKEA CTUATOR S HOWING G RIP D IMENSIONF IGURES 6 AND7 TO P ART1512—T OE C LEAR-ANCE AND C HAIN G UARD R EQUIREMENTSF IGURE8 TO P ART1512—R EFLECTORIZED B ICY-CLE W HEEL R IM A BRASION T EST D EVICET ABLE 1 TO P ART1512—M INIMUM C ANDLE-POWER PER I NCIDENT F OOT-C ANDLE FORC LEAR R EFLECTOR1T ABLE 2 TO P ART1512—M INIMUM C ANDLE-POWER PER I NCIDENT F OOT-C ANDLE FORC LEAR R EFLECTOR1T ABLE3 TO P ART1512—M INIMUM A CCEPTABLE V ALUES FOR THE Q UANTITY A D EFINED INTHE R ETROREFLECTIVE T IRE AND R IM T ESTP ROCEDURET ABLE 4 TO P ART1512—R ELATIVE E NERGYD ISTRIBUTION OF S OURCESA UTHORITY: Secs. 2(f)(1)(D), (q)(1)(A), (s), 3(e)(1), 74 Stat. 372, 374, 375, as amended, 80 Stat. 1304–05, 83 Stat. 187–89 (15 U.S.C. 1261, 1262); Pub. L. 107–319, 116 Stat. 2776.S OURCE: 43 FR 60034, Dec. 22, 1978, unless otherwise noted.Subpart A—Regulations§1512.1Scope.This part sets forth the requirements for a bicycle as defined in §1512.2(a) (except a bicycle that is a ‘‘track bicy-cle’’ or a ‘‘one-of-a-kind bicycle’’ as de-fined in §1512.2 (d) and (e)) which is not a banned article under §1500.18(a)(12) of this chapter.§1512.2Definitions.For the purposes of this part:(a) Bicycle means:(1) A two-wheeled vehicle having a rear drive wheel that is solely human- powered;(2) A two- or three-wheeled vehicle with fully operable pedals and an elec-tric motor of less than 750 watts (1 h.p.), whose maximum speed on a paved level surface, when powered solely by such a motor while ridden by an oper-ator who weighs 170 pounds, is less than 20 mph.(b) Sidewalk bicycle means a bicycle with a seat height of no more than 635 mm (25.0 in); the seat height is meas-ured with the seat adjusted to its high-est position.(c) Seat height means the dimension from the point on the seat surface intersected by the seat post center line (or the center of the seating area if no seat post exists) and the ground plane, as measured with the wheels aligned and in a plane normal to the ground plane.(d) Track bicycle means a bicycle de-signed and intended for sale as a com-petitive machine having tubular tires, single crank-to-wheel ratio, and no free-wheeling feature between the rear wheel and the crank.(e) One-of-a-kind bicycle means a bicy-cle that is uniquely constructed to the order of an individual consumer other than by assembly of stock or produc-tion parts.(f) Normal riding position means that the rider is seated on the bicycle with both feet on the pedals and both hands on the handlegrips (and in a position that allows operation of handbrake le-vers if so equipped); the seat and han-dlebars may be adjusted to positions judged by the rider to be comfortable.[43 FR 60034, Dec. 22, 1978, as amended at 68 FR 7073, Feb. 12, 2003]§1512.3Requirements in general.Any bicycle subject to the regula-tions in this part shall meet the re-quirements of this part in the condi-tion to which it is offered for sale to consumers; any bicycle offered for sale to consumers in disassembled or par-tially assembled condition shall meet these requirements after assembly ac-cording to the manufacturer’s instruc-tions. For the purpose of compliance with this part, where the metric and English units are not equal due to the conversion process the less stringent requirement will prevail.§1512.4Mechanical requirements.(a) Assembly. Bicycles shall be manu-factured such that mechanical skills required of the consumer for assembly shall not exceed those possessed by an adult of normal intelligence and abil-ity.(b) Sharp edges. There shall be no un-finished sheared metal edges or other sharp parts on bicycles that are, or may be, exposed to hands or legs; sheared metal edges that are not rolled shall be finished so as to remove any16 CFR Ch. II (1–1–07 Edition)§1512.5 1Copies may be obtained from: Super-intendent of Documents, U.S. GovernmentPrinting Office, Washington, D.C. 20402.2Copies may be obtained from: AmericanNational Standards Institute, 1430 Broadway, New York, New York 10018. feathering of edges, or any burrs of spurs caused during the shearing proc-ess. (c) Integrity. There shall be no visible fracture of the frame or of any steer-ing, wheel, pedal, crank, or brake sys-tem component resulting from testing in accordance with: The handbrake loading and performance test, §1512.18(d); the foot brake force and performance test, §1512.18(e); and the road test, §1512.18(p) (or the sidewalk bicycle proof test, §1512.18(q)). (d) Attachment hardware. All screws, bolts, or nuts used to attach or securecomponents shall not fracture, loosen, or otherwise fail their intended func-tion during the tests required in this part. All threaded hardware shall be of sufficient quality to allow adjustments and maintenance. Recommended qual-ity thread form is specified in Hand-book H28, ‘‘Screw Thread Standards for Federal Service,’’1issued by the Na-tional Bureau of Standards, Depart-ment of Commerce; recommended me-chanical properties are specified in ISO Recommendation R898, ‘‘Mechanical Properties of Fasteners,’’ and in ISO Recommendations 68, 262, and 263, ‘‘General Purpose Screw Threads.’’2 (e)–(f) [Reserved] (g) Excluded area. There shall be no protrusions located within the area bounded by (1) a line 89 mm (31⁄2in) to the rear of and parallel to the handle-bar stem; (2) a line tangent to the front tip of the seat and intersecting the seatmast at the top rear stay; (3) the topsurface of the top tube; and (4) a lineconnecting the front of the seat (whenadjusted to its highest position) to thejunction where the handlebar is at-tached to the handlebar stem. The toptube on a female bicycle model shall bethe seat mast and the down tube ortubes that are nearest the rider in thenormal riding position. Control cables no greater than 6.4 mm (1⁄4in) in di-ameter and cable clamps made from material not thicker than 4.8 mm (3⁄16 in) may be attached to the top tube.(h) [Reserved](i) Control cable ends. Ends of all con-trol cables shall be provided with pro-tective caps or otherwise treated to prevent unraveling. Protective caps shall be tested in accordance with the protective cap and end-mounted de-vices test, §1512.18(c), and shall with-stand a pull of 8.9 N (2.0 lbf).(j) Control cable abrasion. Control ca-bles shall not abrade over fixed parts and shall enter and exit cable sheaths in a direction in line with the sheath entrance and exit so as to prevent ab-rading. §1512.5Requirements for braking sys-tem. (a) Braking system. Bicycles shall beequipped with front- and rear-wheel brakes or rear-wheel brakes only. (b) Handbrakes. Handbrakes shall betested at least ten times by applying a force sufficient to cause the handlever to contact the handlebar, or a max-imum of 445 N (100 lbf), in accordance with the loading test, §1512.18(d)(2), and shall be rocked back and forth with the weight of a 68.1 kg (150 lb) rider on the seat with the same handbrake force ap-plied in accordance with the rocking test, §1512.18(d)(2)(iii); there shall be no visible fractures, failures, movement of clamps, or misalignment of brake com-ponents. (1) Stopping distance. A bicycle equipped with only handbrakes shall be tested for stopping distance by a rider of at least 68.1 kg (150 lb) weight in ac-cordance with the performance test,§1512.18(d)(2) (v) and (vi), and shall havea stopping distance of no greater than4.57 m (15 ft) from the actual test speedas determined by the equivalentground speed specified in§1512.18(d)(2)(vi).(2) Hand lever access. Hand levermechanisms shall be located on thehandlebars in a position that is readily accessible to the rider when in a nor-mal riding position.(3) Grip dimension. The grip dimension (maximum outside dimension between the brake hand lever and the handle-bars in the plane containing the centerlines of the handgrip and the hand brake lever) shall not exceed 89 mm (31⁄2in) at any point between the pivot point of the lever and lever mid-point; the grip dimension for sidewalkConsumer Product Safety Commission §1512.53This is proportional to a gear develop-ment greater than 6.67 m (21.9 ft) in the bicy-cle’s highest gear ratio. Gear development is the distance the bicycle travels in meters, in one crank revolution.bicycles shall not exceed 76 mm (3 in). The grip dimension may increase to-ward the open end of the lever but shall not increase by more than 12.7 mm (1⁄2 in) except for the last 12.7 mm (1⁄2in) of the lever. (See figure 5 of this part 1512.)(4) Attachment. Brake assemblies shall be securely attached to the frame by means of fasteners with locking de-vices such as a lock washer, locknut, or equivalent and shall not loosen during the rocking test, §1512.18(d)- (2)(iii). The cable anchor bolt shall not cut any of the cable strands.(5) Operating force. A force of less than 44.5 N (10 lbf) shall cause the brake pads to contact the braking sur-face of the wheel when applied to the handlever at a point 25 mm (1.0 in)from the open end of the handlever.(6) Pad and pad holders. Caliper brake pad shall be replaceable and adjustable to engage the braking surface without contacting the tire or spokes and thepad holders shall be securely attachedto the caliper assembly. The brake padmaterial shall be retained in its holderwithout movement when the bicycle isloaded with a rider of at least 68.1 kg(150 lb) weight and is rocked forwardand backward as specified in the rock-ing test, §1512.18(d)(2)(iii).(7) [Reserved] (8) Hand lever location. The rear brake shall be actuated by a control located on the right handlebar and the front brake shall be actuated by a control lo-cated on the left handlebar. The left- hand/right-hand locations may be re-versed in accordance with an individual customer order. If a single hand lever is used to actuate both front and rear brakes, it shall meet all applicable re-quirements for hand levers and shall be located on either the right or left han-dlebar in accordance with the cus-tomer’s preference. (9) Hand lever extensions. Bicycles equipped with hand lever extensions shall be tested with the extension le-vers in place and the hand lever exten-sions shall also be considered to be hand levers. (c) Footbrakes. All footbrakes shall be tested in accordance with the force test, §1512.18(e)(2), and the measured braking force shall not be less than 178 N (40 lbf) for an applied pedal force of 310 N (70 lbf). (1) Stopping distance. Bicyclesequipped with footbrakes (except side-walk bicycles) shall be tested in ac-cordance with the performance test,§1512.18(e)(3), by a rider of at least 68.1 kg (150 lb) weight and shall have a stopping distance of no greater than 4.57 m (15 ft) from an actual test speed of at least 16 km/h (10 mph). If the bicy-cle has a footbrake only and the equiv-alent groundspeed of the bicycle is in excess of 24 km/h (15 mph) (in its high-est gear ratio at a pedal crank rate of 60 revolutions per minute),3the stop-ping distance shall be 4.57 m (15 ft) from an actual test speed of 24 km/h (15 mph) or greater.(2) Operating force. Footbrakes shall be actuated by a force applied to the pedal in a direction opposite to that of the drive force, except where brakes are separate from the drive pedals andthe applied force is in the same direc-tion as the drive force.(3) Crank differential. The differentialbetween the drive and brake positionsof the crank shall be not more than 60°with the crank held against each posi-tion under a torque of no less than 13.6N-m (10 ft-lb).(4) Independent operation. The brakemechanism shall function independ-ently of any drive-gear positions or ad-justments. (d) Footbrakes and handbrakes in com-bination. Bicycles equipped with foot-brakes and handbrakes shall meet all the requirements for footbrakes in §1512.5(c), including the tests specified. In addition, if the equivalent ground speed of the bicycle is 24 km/h (15 mph) or greater (in its highest gear ratio at a pedal crank rate of 60 revolutions per minute),3the actual test speed speci-fied in §1512.18(e)(3) shall be increased to 24 km/h (15 mph) and both braking systems may be actuated to achieve the required stopping distance of 4.57 m (15 ft). (e) Sidewalk bicycles. (1) Sidewalk bi-cycles shall not have handbrakes only.16 CFR Ch. II (1–1–07 Edition) §1512.6(2) Sidewalk bicycles with a seat height of 560 mm (22 in) or greater (with seat height adjusted to its lowest position) shall be equipped with a foot-brake meeting all the footbrake re-quirements of §1512.5(c), including the specified tests except that the braking force transmitted to the rear wheel shall be in accordance with the side-walk bicycle footbrake force tests, §1512.18(f).(3) Sidewalk bicycles with a seat height less than 560 mm (22 in) (with seat height adjusted to its lowest posi-tion) and not equipped with a brake shall not have a freewheel feature. Such sidewalk bicycles equipped with a footbrake shall be tested for brake force in accordance with the sidewalk bicycle footbrake force test, §1512.18(f). Such sidewalk bicycles not equipped with brakes shall be identified with a permanent label clearly visible from a distance of 3.1 m (10 ft) in daylight con-ditions and promotional display mate-rial and shipping cartons shall promi-nently display the words ‘‘No Brakes.’’ §1512.6Requirements for steering sys-tem.(a) Handlebar stem insertion mark. The handlebar stem shall contain a perma-nent ring or mark which clearly indi-cates the minimum insertion depth of the handlebar stem into the fork as-sembly. The insertion mark shall not affect the structural integrity of the stem and shall not be less than 21⁄2 times the stem diameter from the low-est point of the stem. The stem strength shall be maintained for at least a length of one shaft diameter below the mark.(b) Handlebar stem strength. The han-dlebar stem shall be tested for strength in accordance with the handlebar stem test, §1512.18(g), and shall withstand a force of 2000 N (450 lbf) for bicycles and 1000 N (225 lbf) for sidewalk bicycles. (c) Handlebar. Handlebars shall allow comfortable and safe control of the bi-cycle. Handlebar ends shall be symmet-rically located with respect to the lon-gitudinal axis of the bicycle and no more than 406 mm (16 in) above the seat surface when the seat is in its low-est position and the handlebar ends are in their highest position.(d) Handlebar ends. The ends of the handlebars shall be capped or otherwise covered. Handgrips, end plugs, control shifters, or other end-mounted devices shall be secure against a removal forceof no less than 66.8 N (15 lbf) in accord-ance with the protective cap and end- mounted devices test, §1512.18(c).(e) Handlebar and clamps. The handle-bar and clamps shall be tested in ac-cordance with the handlebar test, §1512.18(h). Directions for assembly of the bicycle required in the instruction manual by §1512.19(a)(2) shall includean explicit warning about the danger of damaging the stem-to-fork assembly and the risk of injury to the rider that can result from overtightening the stem bolt or other clamping device. The directions for assembly shall also contain a simple, clear, and precise statement of the procedure to be fol-lowed to avoid damaging the stem-to- fork assembly when tightening the stem bolt or other clamping device.§1512.7Requirements for pedals.(a) Construction. Pedals shall have right-hand/left-hand symmetry. The tread surface shall be present on bothtop and bottom surfaces of the pedal except that if the pedal has a definite preferred position, the tread surface need only be on the surface presentedto the rider’s foot.(b) Toe clips. Pedals intended to be used only with toe clips shall have toe clips securely attached to them and need not have tread surfaces. Pedals designed for optional use of toe clips shall have tread surfaces.(c) Pedal reflectors. Pedals for bicycles other than sidewalk bicycles shall have reflectors in accordance with §1512.16(e). Pedals for sidewalk bicyclesare not required to have reflectors.§1512.8Requirements for drive chain.The drive chain shall operate over the sprockets without catching or binding. The tensile stength of the drive chain shall be no less than 8010 N (1,800 lbf) or 6230 N (1,400 lbf) for side-walk bicycles.§1512.9Requirements for protective guards.(a) Chain guard. Bicycles having a single front sprocket and a single rearConsumer Product Safety Commission §1512.14sprocket shall have a chain guard that shall cover the top strand of the chain and at least 90° of the perimeter where the drive chain contacts the drive sprocket as shown in figure 7. The chain guard shall extend rearward to a point at least 8 cm (3.2 in.) forward of the centerline of the rear axle. The minimum width of the top area of the chain guard shall be twice the width of the chain in that portion forward of the rear wheel rim. The rear part of the top area may be tapered. The minimum width at the rear of the guard shall be one-half the chain width. Such chain guard shall prevent a rod of 9.4 mm (3⁄8 in.) diameter and 76 mm (3.0 in.) length from entrapment between the upper junction of the chain and the sprocket when introduced from the chain side of the bicycle in any direction within 45° from a line normal to the sprocket.(b) Derailleur guard. Derailleurs shall be guarded to prevent the drive chain from interfering with or stopping the rotation of the wheel through improper adjustments or damage.§1512.10Requirements for tires.The manufacturer’s recommended in-flation pressure shall be molded into or onto the sidewall of the tire in let-tering no less than 3.2 mm (1⁄8in.) in height. The statement of recommended inflation pressure shall be in the English language utilizing Arabic nu-merals. (The following language is sug-gested to indicate recommended infla-tion pressure: ‘‘Inflate to ll PSI.’’) After inflation to 110 percent of the recommended inflation pressure, the tire shall remain intact on the rim, in-cluding while being tested under a load of 2,000 N (450 lbf) in accordance with the rim test, §1512.18(j). Tubular sew-up tires, nonpneumatic tires, and non-molded wired-on tires are exempt from this section.§1512.11Requirements for wheels.(a) Spokes. There shall be no missing spokes.(b) Alignment. The wheel assembly shall be aligned such that no less than 1.6 mm (1⁄16in.) clearance exists be-tween the tire and fork or any frame member when the wheel is rotated to any position.(c) Rims. Rims shall retain the spokes and tire when side-loaded with 2000 N (450 lbf) and tested in accordance with the rim test, §1512.18(j). Sidewalk bicy-cles need not meet this requirement.§1512.12Requirements for wheel hubs.All bicycles (other than sidewalk bi-cycles) shall meet the following re-quirements:(a) Locking devices. Wheels shall be secured to the bicycle frame with a positive lock device. Locking devices on threaded axles shall be tightened to the manufacturer’s specifications.(1) Rear wheels. There shall be no rel-ative motion between the axle and the frame when a force of 1,780 N (400 lbf) is applied symmetrically to the axle for a period of 30 seconds in the direction of wheel removal.(2) Front wheels. Locking devices, ex-cept quick-release devices, shall with-stand application of a torque in the di-rection of removal of 17 N-m (12.5 ft-lb). (b) Quick-release devices. Lever-oper-ated quick-release devices shall be ad-justable to allow setting the lever posi-tion for tightness. Quick-release levers shall be clearly visible to the rider and shall indicate whether the levers are ina locked or unlocked position. Quick- release clamp action shall emboss the frame or fork when locked.(c) Front hubs. Front hubs not equipped with lever-operated quick-re-lease devices shall have a positive re-tention feature that shall be tested in accordance with the front hub reten-tion test, §1512.18(j)(3), to assure that when the locking devices are released the wheel will not separate from the fork.§1512.13Requirements for front fork.The front fork shall be tested for strength by application of at least 39.5J (350 in-lb) of energy in accordance with the fork test, §1512.18(k)(1), with-out visible evidence of fracture. Side-walk bicycles need not meet this re-quirement.§1512.14Requirements for fork and frame assembly.The fork and frame assembly shall be tested for strength by application of a load of 890 N (200 lbf) or at least 39.5 J16 CFR Ch. II (1–1–07 Edition)§1512.15(350 in-lb) of energy, whichever results in the greater force, in accordance with the frame test, §1512.18(k)(2), without visible evidence of fracture or frame deformation that significantly limits the steering angle over which the wheel can be turned. Sidewalk bicycles are exempt from this section.§1512.15Requirements for seat. (a) Seat limitation. No part of the seat, seat supports, or accessories attached to the seat shall be more than 125 mm (5.0 in.) above the top of the seat sur-face at the point where the seat surface is intersected by the seat post axis. (b) Seat post. The seat post shall con-tain a permanent mark or ring that clearly indicates the minimum inser-tion depth (maximum seat-height ad-justment); the mark shall not affect the structural integrity of the seat post. This mark shall be located no less than two seat-post diameters from the lowest point on the post shaft, and the post strength shall be maintained for at least a length of one shaft diameterbelow the mark.(c) Adjustment clamps. The seat ad-justment clamps shall be capable of se-curing the seat in any position towhich it can be adjusted and pre-venting movement of the seat in anydirection under normal conditions of use. Following the road test, §1512.18(p) (or the sidewalk bicycle proof test, §1512.18(q), as applicable), the seat clamps shall be tested in accordance with the seat adjustment clamps and load test, §1512.18(l).§1512.16Requirements for reflectors. Bicycles shall be equipped with re-flective devices to permit recognition and identification under illumination from motor vehicle headlamps. The use of reflector combinations off the center plane of the bicycle (defined in §1512.18(m)(2)) is acceptable if each re-flector meets the requirements of this section and of §1512.18 (m) and (n) and the combination of reflectors has a clear field of view of ±10° vertically and ±50° horizontally. Sidewalk bicycles are not required to have reflectors. (a) Front, rear, and pedal reflectors.There shall be an essentially colorless front-facing reflector, essentially colorless or amber pedal reflectors, and a red rear-facing reflector.(b) Side reflectors. There shall be retroreflective tire sidewalls or, alter-natively, reflectors mounted on the spokes of each wheel, or, for non-cal-iper rim brake bicycles, retroreflective wheel rims. The center of spoke- mounted reflectors shall be within 76mm (3.0 in.) of the inside of the rim. Side reflective devices shall be visible on each side of the wheel. (c) Front reflector. The reflector or mount shall not contact the ground plane when the bicycle is resting on that plane in any orientation. The op-tical axis of the reflector shall be di-rected forward within 5° of the hori-zontal-vertical alignment of the bicy-cle when the wheels are tracking in a straight line, as defined in §1512.18(m)(2). The reflectors and/or mounts shall incorporate a distinct, preferred assembly method that shall insure that the reflector meets the op-tical requirements of this paragraph (c) when the reflector is attached to thebicycle. The front reflector shall betested in accordance with the reflectormount and alignment test, §1512.18(m).(d) Rear reflector. The reflector ormount shall not contact the ground plane when the bicycle is resting on that plane in any orientation. The re-flector shall be mounted such that it is to the rear of the seat mast with the top of the reflector at least 76 mm (3.0 in) below the point on the seat surfacethat is intersected by the line of the seat post. The optical axis of the reflec-tor shall be directed rearward within 5°of the horizontal-vertical alignment of the bicycle when the wheels are trav-eling in a straight line, as defined in§1512.18(m)(2). The reflectors and/or mounts shall incorporate a distinct, preferred assembly method that shall insure that the reflector meets the op-tical requirements of this paragraph (d) when the reflector is attached to the bicycle. The rear reflector shall be tested in accordance with the reflector mount and alignment test, §1512.18(m). (e) Pedal reflectors. Each pedal shallhave reflectors located on the front and rear surfaces of the pedal. The reflector elements may be either integral withConsumer Product Safety Commission §1512.14sprocket shall have a chain guard that shall cover the top strand of the chain and at least 90° of the perimeter where the drive chain contacts the drive sprocket as shown in figure 7. The chain guard shall extend rearward to a point at least 8 cm (3.2 in.) forward of the centerline of the rear axle. The minimum width of the top area of the chain guard shall be twice the width of the chain in that portion forward of the rear wheel rim. The rear part of the top area may be tapered. The minimum width at the rear of the guard shall be one-half the chain width. Such chain guard shall prevent a rod of 9.4 mm (3⁄8 in.) diameter and 76 mm (3.0 in.) length from entrapment between the upper junction of the chain and the sprocket when introduced from the chain side of the bicycle in any direction within 45° from a line normal to the sprocket.(b) Derailleur guard. Derailleurs shall be guarded to prevent the drive chain from interfering with or stopping the rotation of the wheel through improper adjustments or damage.§1512.10Requirements for tires.The manufacturer’s recommended in-flation pressure shall be molded into or onto the sidewall of the tire in let-tering no less than 3.2 mm (1⁄8in.) in height. The statement of recommended inflation pressure shall be in the English language utilizing Arabic nu-merals. (The following language is sug-gested to indicate recommended infla-tion pressure: ‘‘Inflate to ll PSI.’’) After inflation to 110 percent of the recommended inflation pressure, the tire shall remain intact on the rim, in-cluding while being tested under a load of 2,000 N (450 lbf) in accordance with the rim test, §1512.18(j). Tubular sew-up tires, nonpneumatic tires, and non-molded wired-on tires are exempt from this section.§1512.11Requirements for wheels.(a) Spokes. There shall be no missing spokes.(b) Alignment. The wheel assembly shall be aligned such that no less than 1.6 mm (1⁄16in.) clearance exists be-tween the tire and fork or any frame member when the wheel is rotated to any position.(c) Rims. Rims shall retain the spokes and tire when side-loaded with 2000 N (450 lbf) and tested in accordance with the rim test, §1512.18(j). Sidewalk bicy-cles need not meet this requirement.§1512.12Requirements for wheel hubs.All bicycles (other than sidewalk bi-cycles) shall meet the following re-quirements:(a) Locking devices. Wheels shall be secured to the bicycle frame with a positive lock device. Locking devices on threaded axles shall be tightened to the manufacturer’s specifications.(1) Rear wheels. There shall be no rel-ative motion between the axle and the frame when a force of 1,780 N (400 lbf) is applied symmetrically to the axle for a period of 30 seconds in the direction of wheel removal.(2) Front wheels. Locking devices, ex-cept quick-release devices, shall with-stand application of a torque in the di-rection of removal of 17 N-m (12.5 ft-lb). (b) Quick-release devices. Lever-oper-ated quick-release devices shall be ad-justable to allow setting the lever posi-tion for tightness. Quick-release levers shall be clearly visible to the rider and shall indicate whether the levers are ina locked or unlocked position. Quick- release clamp action shall emboss the frame or fork when locked.(c) Front hubs. Front hubs not equipped with lever-operated quick-re-lease devices shall have a positive re-tention feature that shall be tested in accordance with the front hub reten-tion test, §1512.18(j)(3), to assure that when the locking devices are released the wheel will not separate from the fork.§1512.13Requirements for front fork.The front fork shall be tested for strength by application of at least 39.5J (350 in-lb) of energy in accordance with the fork test, §1512.18(k)(1), with-out visible evidence of fracture. Side-walk bicycles need not meet this re-quirement.§1512.14Requirements for fork and frame assembly.The fork and frame assembly shall be tested for strength by application of a load of 890 N (200 lbf) or at least 39.5 J。
Gazelle—獐子还是鹿？其实是羚羊
Gazelle—獐子还是鹿？其实是羚羊作者：MuA马来源：《中国自行车·骑行风尚》2017年第03期1980年中国迎来了改革开放的时代大潮，那时候很多以游客身份来到中国的西方人，第一次走近这个神秘的东方古国，而他们旅行的第一站，往往都会选择首都北京。
他们惊叹地发现那时的中国拥有数量惊人的自行车，但具体数量是多少？80万？100万？结果并不能—下统计出来，所以才有了英国民谣歌手“北京有900万辆自行车”这样的歌词，自行车王国的美名，也就此诞生和流传起来。
而实际上到了上世纪90年代，我们有很多调查研究表明，在欧洲的西部一个名为“低地国”的地方，拥有着远超过中国的人均自行车数量纪录。
实际上以我们现在对自行车文化的沉淀和理解，这个地势低洼河流纵横的国家——荷兰，是世界上自行车通勤率最高的地区之一。
因为特殊的地势和环境，步入汽车时代的荷兰，反而因为这种现代交通工具所累，毫无意义交通拥堵导致的资源浪费，令民众怨声载道。
上世纪60年代他们采纳了大力发展自行车进行城市通勤的思路，鼓励人们用这种更“复古”的出行方式代替驾车，尤其是首都阿姆斯特丹，如今已经成为全世界范围内最著名的“自行车友好城市”。
但早在20世纪初，就有一家荷兰的自行车工厂享誉欧洲大陆，他就是荷兰的“国宝自行车”——羚羊Gazelle。
因为一只腾空而起的羚羊商标而被中国人熟知，只不过因为鹿神似羚羊，而且在中国传统文化里富有神性和吉祥寓意，老一辈人都管Gazzelle叫做荷兰鹿牌。
1892年由WIllem Kolling和Rudolf Arentsen联手创办的贸易公司，从英国进口各式自行车到荷兰，并在1902年注册了这个著名的商标，因为Willem Kolling在一次散步时发现了一只矫健的獐子从他面前优雅地闪过，他被那灵动的身影吸引，就此决定用这种森林中的精灵命名自己的品牌，从此自行车品牌里就多了一个充满灵动又充满魔力的动物形象。
1915年，Gazelle品牌迎来了一个大规模发展，当时还是荷兰殖民地的印度尼西亚，对这种新奇的交通工具趋之若鹜，那时步入工业化的欧洲国家对亚洲有着巨大的工业技术优势，于是Gazelle成为很早就畅销多半个地球的“名牌”。
回眸我国自行车主要出口市场（三）--欧洲的奥地利、瑞典、瑞士市场情况
回眸我国自行车主要出口市场（三）--欧洲的奥地利、瑞典、瑞士市场情况余海峰【期刊名称】《中国自行车》【年(卷),期】2016(000)010【总页数】3页(P59-61)【作者】余海峰【作者单位】【正文语种】中文奥地利市场情况奥地利2014年共计销售自行车（包括电动自行车）40.13万辆，销售额同比增长5.1%；其中电动自行车销量超过5万辆，同比增长16.3%，占自行车市场销售的12.5%。
据统计，奥地利的自行车社会拥有量已达到600多万辆，平均每10个奥地利人中有6个人将自行车作为日常短途外出的交通代步工具。
奥地利自行车的市场价格每辆均价约为800欧元，市场价格每辆在500～2 500欧元之间。
奥地利自行车市场销售的车型主要有复古式自行车、山地自行车、长途旅游自行车、可躺式自行车、折叠式自行车、面包店专用自行车、军用自行车、荷兰式自行车以及电动自行车等。
在奥地利自行车各类车型的销售排名依次是登山自行车、旅行自行车、越野自行车和电动自行车。
2014年，登山自行车在多山的奥地利销售了14.89万辆，仍是销售第一的车型，同比增长了2%；旅行自行车销售则下滑了3%，为6.18万辆，为第二大的自行车车型；越野自行车的销售数量为5.09万辆，增加1.2%；电动自行车的总销售数量接近越野自行车的销售总量。
有关人士表示，奥地利电动自行车的销售数量以后会超过旅行车的总数，成为奥地利第二大的自行车销售车型。
奥地利自行车市场的主要销售渠道有运动用品连锁商店、自行车专用商品贸易商、IBDs商店、业外的量贩店（批量批发销售商店）等。
2014年奥地利通过IBDs渠道销售的自行车，平均销售价格达到990欧元；通过体育用品渠道销售的自行车，平均销售价格仅为490欧元。
其区别在于，高端电动自行车主要是通过IBDs出售，而体育用品业更侧重于中低档车型的销售。
奥地利商会的恩斯特·爱驰格尔表示，奥地利人喜欢什么样的自行车，关键就在于其所处的环境及用途。
关于自行车外胎，看完这篇你就都懂了
关于⾃⾏车外胎，看完这篇你就都懂了⾃⾏车外胎分类⼭地⼭地车外胎的细分还是⽐较多的，野兽菌这⾥给⼤家介绍三⼤类：越野⽤⼭地胎、光头胎、半光头胎。
越野⽤⼭地胎最为常见的⼭地车外胎之⼀。
此类有着明显的深齿结构，齿纹之间距离也颇⼤，抓地能⼒良好，也会带来⼀定的避震效果，抗泥沙的能⼒也不错，是较为全能的⼭地车⽤外胎，普通⼭间越野，公路骑⾏均可。
光头胎光头胎如其名，纹路⾮常细⼩，⼏乎与公路胎相似，诞⽣的原因也可想⽽知——为了追求速度。
此类胎的阻⼒⼩，可以迅速提速，且能让⼭地的速度达到极限。
如果你追求速度且⼤部分骑⾏路⾯为城市柏油路，光头胎是你的最佳选择。
当然，光头胎⼏乎没有抓地能⼒的，⽐较容易发⽣摔车。
半光头胎在外胎中间⼀圈没有深齿结构，⽽两侧是明显深齿结构的越野轮胎结构，这样既有光头胎⼩阻⼒的特点，适合在城市路⾯骑⾏，也有不错的抓地能⼒，在野外轻度越野也不错。
所以，如果你既在城市通勤，⼜会在周末去越野，半光头胎是你最好的选择。
（当然也可选择前轮光头胎、后轮越野胎，也会兼顾两种骑⾏路况）公路公路外胎⼀般有三种，开⼝胎、管胎和真空胎。
开⼝胎（嵌⼊式外胎）需要和内胎⼀起使⽤，就是我们最常见的⾃⾏车外胎。
其作⽤是承受车辆负荷，同时限定了轮胎外沿尺⼨，对内胎胎压保护，也防⽌内胎受到机械损伤。
优点是遇到爆胎漏⽓等情况时⽅便修补。
管胎没有传统意义上的内外胎之分，这种⾼性能外胎在缝合的套管上贴上胎⾯，然后胶合到管胎轮圈上，需配合专⽤的轮圈使⽤。
⼀般公路车竞技⽐赛⽤。
职业选⼿⼤部分也使⽤管胎，其优势有：1、转弯性能好、更舒适；2、减震性能优秀，在粗糙路⾯出现单跳、减速的⼏率较⼩；3、⽐开⼝胎允许更⾼的最⼤充⽓压⼒；4、遭遇⾼速下坡爆胎时，外胎不会瞬间脱落，即可避免事故，还可让车⼿继续前⾏等待后援；5、管胎的轮圈更加轻量化。
当然对于业余玩家来说，缺点也⽐较多：1、换胎⽐较⿇烦，不管是爆胎还是长途骑⾏需要换新胎；2、修补极其⿇烦，影响了寿命，从⽽让使⽤成本增⾼很多。
HC童车策划书
1.可以踩踏当做助力车以缓解步行压力 紧急刹车踏板2.四周有照明灯夜间行走1.可拆卸的可视遮阳顶棚让宝宝可以看到外面的风景2.配备有蚊帐3.可以过滤粉尘烟雾 夜间反光涂层配备小型摄像头可以拍照录像监控宝宝状态小型LED 夜光照明灯1.LED 显示屏显示车内状况 宝宝的生理状况 行走公里数 速度 gps2.一键折叠按键和设置自动前进功能3.太阳能充电可用于手机充电4.可用于播放儿童早教音频1.天然橡胶轮胎 避震防滑和紧急刹车踏板2.前轮后轮轴内置弹簧避震设计1.座椅内置弹簧减震2.车身周围配备安全气囊和保险杠3.座椅可上下移动 360°旋转座椅可拆卸作为儿童安全座椅置物篮放置婴儿用品1.内部配备安全带2.车身底部可拆卸让宝宝伸出双腿上图为我公司设计的童车概念图小型摄像头宝宝扶手用于探身等动作置物篮减震保险杠防滑减震轮胎可拆卸作为儿童安全座椅柔软舒适的护头靠垫保证宝宝的头部安全和舒适程度遮阳蓬蚊帐上图为我公司设计的童车概念图一、产品名称：HC智能童车二、研发背景1、2015年11月10日，国新办就坚持计划生育基本国策、实施全面两孩政策有关情况举行发布会。
在提及全面二胎政策正式启动实施时间上，卫计委副主任王培安表示，政策实施需要全国人大修订《人口与计划生育法》和相关的配套措施，然后各地依法组织实施。
2、一般来说，6个月左右的婴儿还有相当多的抗体来自母体，本身的机体功能相对比较弱，所以极易感染上各种疾病，例如:流行性脑脊髓膜炎、水痘、流行性感冒、猩红热等。
再说医疗设施和医护人员有限，难免会有疏忽。
3、汽车的安全气囊设置在车内前方、侧方、车顶三个方向，安全气囊有三部分组成：气囊、传感器、充气系统，它的功能是当车辆发生碰撞时减轻乘员的伤害程度；婴儿车的气囊借助于汽车的原理，在材料、大小功能方面稍做改变，最大限度地保护婴儿的安全。
4、现在，越来越多的父母开始关注孩子的成长，会利用拍照、写日记、拍纪录片等方式进行记录，但是难免会错过很多很有趣的细节，所以需要一个电子化的设备帮助他们记下孩子的一颦一笑，一言一行，以供回忆。
CAT EYE CC-MC100W 操作说明手册
警告•磁鐵、感應器及固定座應安裝妥當，並應定期檢查裝置是否鬆脫。
•按照當地法規處理用過的電池。
當不小心吞食時，請儘速就醫。
•避免讓碼錶在烈日下曝曬過久。
•請勿任意拆卸碼錶。
•用柔軟的布沾附中性洗潔劑來清洗碼錶及其配件。
請勿使用稀釋劑、苯或酒精來擦拭碼錶。
無線感應器感應器的功能是在有限的範圍內接收訊號，以防止異常訊號干擾。
因此，感應器及碼錶必須裝置在相對接近的位置上。
當溫度或是電池電力過低時，這兩個裝置需要比正常情況下更為接近。
感應器必須安裝在前叉的上緣，而感應器和碼錶間的距離不要超過70cm 。
碼錶安裝於車手豎桿上，且碼錶底部面向感應器（需考慮豎桿的角度）。
碼錶在以下情況時可能會受干擾，導致偵測有誤：•靠近TV 、PC 、收音機、汽機車，或是在汽車及火車的車廂內。
•靠近鐵道交叉路口、鐵軌、TV 發射站或是雷達基地。
•靠近裝有無線感應器的第二台腳踏車。
目前速度感應器訊號接收圖示同時和感應器訊號閃爍次要測量圖示 配速箭號指示出是否目前的速度比平均速度快或慢（ 較快 較慢）自動模式圖示 速度單位模式符號..........................................................................b 指示出目前所選的模式Tm (Tm 2)...............[已耗用時間]Dst (Dst 2)...............[行程距離]Av (Av 2)..................[平均速度]Mx ............................[最大速度]..........................[總距離]] 開始/停止測量此碼錶允許自動（自動模式）或是手動模式的測量。
在測量期間，速度單位圖示會閃爍。
最大速度及總距離將會根據測量自動更新。
•自動模式（自動測量）如果看到 圖示時，便是自動測量。
在自動模式下，無法使用“開始/停止＂鍵來開始或是停止測量。
自行车及配件顶级品牌
自行车顶级品牌顶级车架或整车公路：Colnago----（意大利梅花最具专业品质的自行车品牌）Passoni----（意大利·公路钛，异类）Time----（法国世界上最高级的碳纤维车架）Pinarello----(意大利皮纳里奥亦称王子意大利传奇公路车品牌)bianchi----（意大利比安奇120 年的自行车品牌）Cervelo----（加拿大环法冠军常客）look----（法国自行车赛中的Ｆ１）CINELLI----（意大利赛耐利意大利自行车美学的象征）DE ROSA----（意大利德.罗萨純種公路車）MOSSO----（中国台湾·不知道该不该归为顶级）山地：nicolai----(德国纯手工奢华车架山地车界的劳斯莱斯)intense----（淫天使尖端全避震车架最终极的全避震车架设计）Santa Cruz---- (美国俗称三条裤子世界上公认的最好的vpp后避震车)Cannondale----（美国肯诺戴尔左撇子前叉的鼻祖公路和山地）litespeed----（钛合金车架鼻祖生产顶级钛价山地和公路）L YNSKEY----(林-斯基创办litespeed的家族分开后自立顶级钛架品牌）MERLIN----（美国顶级钛合金避震车架隶属于litespeed品牌）MOOTS----（美国顶级钛架“钛”极限测试你的钱包厚度）Van Nicholas Tuareg ----（荷兰范尼古拉斯顶级钛架的品牌）yeti----（雪人美国顶级软尾品牌）TITUS----(泰达斯美国三大顶级山地车，只做顶级车，可惜倒闭了）Specialized----（美国顶级的自行车品牌，堪称自行车界的BMW，山地和公路）trek----（崔克美国的自行车第一品牌山地和公路）BMC----（瑞士令人难以抗拒的自行车品牌山地和公路）Schwinn----（美国美国著名自行车品牌，现在有点不行了）Seven ----（美国世界上最大的自行车钛合金、碳纤、碳钛结合及钢车架订做厂商）Mongoose----（美国蒙古士超级极限自行车品牌，也没落了）kona----（美国亚洲代工钪合金特色山地和公路）Orbea----（西班牙山地和公路）TYRELL----（德国·TYRELL产品都是卖给一些懂车的人，售价都比同级别的COLNAGO 更贵，车架平均售价2万以上。
瑞士交通以人为本
本 、精雕 细琢 的现 代文 明交 通 。
转 的 自行 车专 用道 ，避 免 与直 行机 动 多辆 车使 用 同一 套号 牌 、同一份 保 险
通规 划和 组 织 引导 ，城 市交 通运 行有
序、顺畅。尽管道路条件是 很好，
但 由于 市 民的文 明礼 让 ，即 便在 交通
高峰时间也极少出现交通拥堵现象。
瑞士 人 倡导 低碳 环保 ，以 自行车
为代 表 的低 碳绿 色交 通十 分 普遍 。从
城市到乡村 ，从设施提供到交通管理
在乘 车 外 出观光 途 中 ，发现 瑞士 车 辆 冲突 。此 外 ， 自行 车 道的 停车 线 和 同一份 税 ，保 险和税 费 只需 交纳 最
的 大 部 分 道 路 为 双 向 ４车 道 或 ２车 比机动车道停车线靠前 １ 米，确保 自 大排 气量 车辆 的金 额 。但 因为 只有一 道 ，部 分道路 为 有轨 电车 和 普通 车辆 行 车停 驶 的安 全 。如 卢塞 恩市 的机 动 套号 牌 ，所以 ，车 主 一次 只能 使用 一 混 行 ，但 有 条件 的路 面 均设 置 了 自行 车 道仅 ３ 米 左 右 ，在路 中 间或 两侧 都 辆车 ，其 他车辆 不得 上路 。０ 车 道 和宽 阔 的步 行道 。 通过 科学 的交
尔 等 城 市 旅 行时 ，除 了迷 人 的 风 景 、 通 标志 。苏黎 世 、 巴塞尔 等城 市 不仅 免小 轿车 的过 度 使用 ，瑞 士规 定拥 有 美味 的佳 肴 、时 尚 的服饰 给 我 印象深 有 连续 、系统 的 自行车 专 用道 ，还 在 多 辆 汽 车 的 车 主 ，可 以 申请 互 用 号
26寸27.5寸和29寸山地车全方位对比 到底哪个尺寸好？
26寸，27.5寸和29寸山地车全方位对比到底哪个尺寸好？“最近客观的新闻报道很难得到了，虽然我们都在渴望着，但谁能指明一条路呢？”-Hunter S. Thompson我们已经准备计划很久了。
这是个很简单的计划，很好的计划，但事实不是想象的那样。
SRAM公司带着他们的测试车来到了意大利的Massa Vecchia，测试车分别是26寸，27.5寸和29寸的车轮。
我们在几天中连续试骑并观察它们。
没有确定的结论，只要努力做到心平气和。
在我去中国之前，我花了几天时间来胡乱写下这些历程。
然后一次牛扒大餐令意外发生了……我们四个人享用两块1.2kg的托斯卡纳最好吃的牛排，第二天我们都觉得有点不太对劲，确实是因为我们吃了不少牛肉。
我们尝试着在海边总结一下这些自行车……但是发烧越来越严重。
任何有过食物中毒体验的人都知道那种感觉。
躺在汗水染湿的床上，在颤抖和滚烫的感觉中来回变换的时候，写不出多么深刻的文字。
而且后来我去了中国，花了2周无尽空虚的在飞机上和车上长途旅行度过的时间，所以这篇文章有些延迟。
是时候来思考一下世界，尽管有很长时间来思考。
坐在围墙内，我突然认识到人生很短暂，所以这篇中性的文章没什么味道，只剩下一点，就是我对27.5寸山地车的体会。
这三辆车，26寸和27.5寸的拥有150mm行程，29寸的有120mm。
三辆车都有根据轮组校正过的几何，来帮助骑乘者感觉更相似，而且都有1 x10的传动系统，32齿的牙盘，和11-36的飞轮。
我今年在台北第一次听说27.5寸轮子的自行车，他们称作650B，听起来就像一个摇头丸衍生物……他们比较保密，我们虽然允许参观那些魔幻般的部件，但是不让拍照。
很明显当时的我因闭目塞听而错过了最新的山地车新闻——用轮椅的轮子来做山地车轮，而且是大规模的！我们的技术编辑了解这方面的事，他告诉我这些轮子已经投入生产5年了。
它们的卖点在于折中——比传统26寸轮子滚动更顺畅，比29寸轮子操控更灵活。
出自瑞士人之手的高品位简易款电动自行车
中处于 难堪 的境地。 该车充 电十分 方便 ， 由此这在 较 大程度上 则就为许 多喜 欢经 常骑 车外 出游玩 、兜 风或
远 足的骑 车者 在使用上 带来诸 多便利。 “ Ｌ Ｅ ８ Ｆ Ｙ ＲＴ 一
］．３” 的 自行车照明灯新品 Ｆ， ０ －５ ３
图 为 Ｂ Ｋ Ｔ Ｃ推 出 的称 之 为 “ Ｉ ］Ｅ Ｅ Ｆ 腿 Ｐ ＭＩ Ｍ” 的 电动 自行车新 品 ＲＥ Ｕ
Ｔ－ Ｓ
上 是一 种具 有特殊 功 能 （ 既能 电力辅 助驱动 ， 同时又
能脚踏 传动 ） 的简易款 电动 自行车。 它那独特 的生产 技 术及其先进 的技 术装备 ． 不会令骑 车者在骑 行途 决
术 与超 级发光 的 白色两极发光管融 为一体 的高品位 自 行 车照明灯 ． 明亮度 以及 夜 间能 见度均相 当高。 由 照
维普资讯
囝 哑 日 皿 衄 ＨＮ ＩＹ Ｌ 圈 卫 目 同 Ｃ ＩＡＢＣ Ｃ Ｅ
名为 “ ＡＴＥ — Ｌ ３ ＂ Ｃ ＹＥ ＨＬ Ｅ ５ ０
翻 译 ／ 国 强 士 Ｂ Ｋ Ｔ Ｃ推 出的 瑞 ＩＥ Ｅ
此种 自行车照 明灯 ， 可将 白色的发光 两极 管 的灯 光聚 集在一起 ， 使灯光光束集中 ， 光度均匀 ， 发光亮度更高 ， 并能明显提 高灯 光的夜间能见度。 由于该照 明灯采用
了一种能节约 能源 的 Ｌ Ｄ技术 ， Ｅ 故车灯 的连续照 明时
间就 可达 到 １ ６小 时。
ＰＥ Ｕ Ｒ ＭＩ Ｍ” 科技含 金量相 当高。现代 化传 动技术和
程可达 ５ ５千米 ）确 实是 款非 常适合 家庭成 员骑 车 ， 外出游 玩、兜风的简易款 电动 自行车。
世界上最小的单车叫什么
世界上最小的单车叫什么世界上最小的单车叫什么任何一款折叠式自行车的规划者首要考虑的都是怎么使车辆在折叠往后变得愈加细巧，这样才干便于运送和贮存。
下面是由店铺收拾的世界上最小自行车的知识，期望我们喜!世界上最小自行车：Kwiggle BikeKarstin Bettin是一位来自德国汉诺威的规划师，在充分考虑了上述需求后，他带着历时四年的研究成果Kwiggle Bike露脸于2013年的Eurobike。
Bettin声称此款Kwiggle Bike是当今世界上折叠后最紧凑的自行车。
Kwiggle Bike看起来简约大方，为了到达最好的折叠效果，此款自行车在规划过程中运用了诸多专利元素。
其间首要的就是它应用了一款特别铰链，使自行车具有了十分柔软的折叠才能。
此外，主体结构外部的驱动齿轮设置也为Kwiggle Bike供给了更大的折叠空间。
Kwiggle Bike的鞍座规划采用了共同的斜倚式，相对于传统的直立式来说更为舒适。
骑手在蹬踩脚踏板的过程中Kwiggle的座位会左右摇摆，Bettin称这要比传统的不动式座椅感觉舒畅。
该自行车可承载的最大分量为100公斤(220)磅。
Kwiggle Bike的车速可轻松到达25公里(15.5英里)每小时，踏板旋转一圈就可驱动车身前行4.5米(14.7英尺)。
这是Bettin在Eurobike上所展出的单速版别，现在他正在研究另一种配备有两到六个齿轮的升级模型，到时踏板每旋转一圈所驱动的间隔就能到达7.5米(24英尺)了。
Kwiggle Bike样品的轮胎直径为8英寸，折叠后的'尺度为50x40x25厘米(19.6x15.7x9.8英寸)，它的外形细巧，足能够将其装入手提行李箱并携带至飞机。
车身的主体原料为铝，Bettin期望自行车在投入生产时分量能够从8公斤(17.6磅)下降至6公斤。
Bettin曾研发过一款轮胎直径为14英寸的模型产品，折叠后的最大尺度为55x 40x25厘米(21.6x15.7x9.8英寸)，他还在努力让车身变得愈加细巧。
自行车发展史
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发展年表
1839年
以前 ，苏格兰人麦克米伦制造出木制车轮，装实心橡胶轮胎、前轮小、后轮大、坐垫较低、
装有脚踏板和曲柄连杆装置，骑者可以双脚离开地面的自行车。同年，麦克米伦又将木制自行
车改为铁制自行车。
1840年
英格兰的铁匠麦克米伦，在德莱斯发明的“小马崽”的基础上，进行了改进。他在前轮的车轴上
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发展年表
1790年 法国人西夫拉克发明了最原始的自行车。它只有两 个轮子而没有传动装置，人骑在上面，需用两脚蹬地驱车向前 滚动。
1801年 俄国人阿尔塔马诺夫设计出世界上第一辆用踏板踩动的自行车
。1817年德国人德雷斯在自行车上装了方向舵，使其能改变 行使方向。 1817年 德国人德莱斯开始制作木轮车，样子跟西夫拉克的差不多。不 过，在前轮上加了一个控制方向的车把子，可以改变前进的方 向.但是骑车依然要用两只脚，一下一下地蹬踩地面，才能推 动车子向前滚动，他自称为：小马崽。因此德国男爵卡尔德莱 斯成为一般公认的自行车发明人！
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自行车在中国的发展
民国时期 1937年日本人在中国上海、天津和沈阳三地先后开
设自行车厂，但产量极微； 1940年上海自行车厂（上海永久股份有限公司前身）
成立，使中国有了自已品牌自行车生产企业；由此 开创并演绎了中国自行车行业历史上最辉煌的篇章， 引领了几代中国人的自行车消费时尚，堪称中国自 行车行业的一面先锋旗帜。
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自行车在中国的发展
90年代，自行车的生产发生了巨大的变化，外来品牌的进入，如: GIANT捷安特(台湾巨大机械工业股份 有限公司)、Merida美利达(于1972年台湾,台湾自行车第一品牌)、TREK崔克(于1976年美国），千篇一 律的老样式被五光十色的新式自行车代替。特别是捷安特从进驻内地后基本上每年都是排名第一，使 “永久、凤凰、飞鸽”不在独享殊荣。轻便车、折叠车、山地车、变速车、赛车遍地开花。过去自行车 单一的实用功能衍变出运动功能，人们对自行车的认识度也远比60、70年代高得多，自行车自此已普及 进入千万家庭！
世界十大自行车品牌排行榜
世界十大自行车品牌排行榜1、Colnago梅花意大利品牌意大利Colnago，知名自行车品牌，品牌诞生于1954年意大利，让人垂涎的最具专业品质的自行车品牌之一，世界知名品牌，专业是自行车制造商。
Colnago(梅花)这个知名的自行车品牌的诞生，是在1954年，而这个牌子的著名，是自从MicheleDancelli在1970年3月20日的环绕赛中获胜，而Colnago的标志是梅花。
当Colnago骑着自己自己的Colnago 自行车获胜的时候，也就是这个标志诞生的时候。
2、Tyrell泰勒德国品牌TYRELL(泰勒)是源自德国外乡的一个奢侈自行车品牌，代表了自行车行业的最高造车工艺。
一向低调的TYRELL,却是有着近百年的历史。
这个品牌是一个名叫TYRELL(泰勒)的德国自行车选手于1912年创立的。
TYRELL产品以经典纯手工打造为主，基于高超的设计和卓越的性能代表着无与伦比，匠心独具的造车工艺，堪称自行车行业中的迈巴赫!TYRELL 产品设计简约而又大气，主要卖给那些真正懂得什么才是最好的自行车的人。
3、Look洛克法国品牌法国LOOK一个耳熟能详的名字。
一家使用英文单词作为品牌名称的法国公司，生产顶级的碳纤维自行车，生产线设在法国和亚洲。
look同样是自锁脚踏的领导品牌。
LOOK.开展自行车不到20年，却在自行车品牌占有一席之地的法国品牌LOOK。
靠的就是不断创新的勇气与作为，缔造自行车历史上多个第一纪录。
LOOK以设计制作碳纤维车架享有盛名。
其中最大的一个差异就在车架上管与后管的角度为72.5度。
一般车架那么多在73~74度间,这样的设计最大的优点就在于让BB的位置向前。
使的骑乘者在爬坡时可以轻松省力，这从法国车手LauraentJalabert连续2年靠着LOOK坐骑赢得环法自行车赛登山王美誉。
4、Pinarello皮纳瑞罗意大利品牌GiovanniPinarello于1922年出生在CatenadiVillorba，家有12个兄弟，他排行第八。
捷安特列表——精选推荐
捷安特自行车标准价格表2010年9月(NO:100901)英文名称中文名称规格零售价备注城市车休闲系列2008 ALICE242008艾丽斯24/2624*15L/26*15L5682008 TOUCHING-M2008踏骑-M26*18M5682008 TOUCHING24/262008踏骑24/2624*15L/26*15L5682005 MIAU-LS妙-lS18*16L6982009 妙点子2009 妙点子20X13L95809款新车种2009 妙点子-1232009 妙点子-12320X15L11582008 ATHENA242008雅典娜24/2624*15L/26*15L6582008 ATHENA26-1232008雅典娜12326*15L8582008 MASTER2008玛斯特2626*18M6582008 MASTER-1232008玛斯特12326*18M858IVY24爱维24/2624*15L/26*16L4682006 KAPASA24/26卡帕莎24/2624*15L/26*16L568新造型,全链罩2006 SELINA24赛琳娜24/2624*15L/26*16L6582008 HELLEN-S08 海伦-S20*16L5682005 HELLEN-AL2005 海伦-AL20X16L7582005 HELLEN-1232005 海伦-12320X16L9582006 NUMEN-AL2006 精灵-铝20*16M7982005 NUMEN-1232005 精灵-12320*16M9982008 HARRY2008 哈里24*16M8982008 SALLY2008 莎莉24*16L8982009 COLORFUL2009 COLORFUL26*16L / 24X15L7982009 ORLANE2009 幽兰26*16L8982009 ORLANE-1232009 幽兰-12326*16L1298NEWING新鹰24/2624*15L/26*16L468NEWING-M新鹰-M26*16L468EMILE 22/24艾米勒 22/2422*13L/24*15L49808 EMILE2.0 24′08 艾米勒2.0 2424*15L5682008 SUEDE 新思维26X17M17982008 SUEDE GX新思维 GX26X17M21982009 LIGERO 乐骑26×17L10982009 LIGERO GX乐骑 GX26×17L1498童车青少年车系列2010 MTX 162010 MTX1616X1.5L5682010 MTX 20 2010 MTX20 20X1.5698WOODY-B 2010 WOODY-B 16X1.5L598WOODY-G 2010 WOODY-G 16X1.5L5982009 MTX125-B2009 MTX125-B20X1.513982009 MTX125-G2010 MTX125-G20X1.510982010 PUDDIN 16 2010 布丁1616X1.5L568TAFFY TAFFY 20X1.55982010 GLOSS2010 GLOSS24寸10582010 XTC20-B2010 XTC20-B20寸10982010 XTC20-G2010 XTC20-G20寸10982010 XTC242010 XTC2424寸15982010 AREVA242010 AREVA2424寸1298BELLA BELLA20寸858折叠／伸缩车系列RUBO1.0瑞宝1.016*13L598RUBO2.0瑞宝2.020*13L598MY2010 GI LINEUP & PRICE LIST - BIKE (TAIWAN)SKUMODEL NAME COLOR MOQTCRADRBJ0TCR ADV SL RB I RABOBANK TEAMNIL TCRADRBS0NIL TCRADRBM0NIL TCRADRBB0NIL TCRADRBL0NIL TCRADRBG0NIL GI387052TCR ADV SL 1I CARBON/WHITENIL GI387053NIL GI387054NIL GI387055NIL GI387056NIL GI387057NIL GI387382TCR ADV SL 3CARBON/BLUENIL GI387383NIL GI387384NIL GI387385NIL GI387386NIL GI387387NIL TCRADRKJ0TCR ADV RABO RABOBANK TEAMNIL TCRADRKS0NIL TCRADRKM0NIL TCRADRKL0NIL TCRADRKB0NIL TCRADRKG0NIL GI386752TCR ADV 1CARBON/WHITENIL GI386753NIL GI386754NIL GI386755NIL GI386756NIL GI386757NIL GI386352TCR ADV 2CARBON/SILVERNIL GI386353NIL GI386354NIL GI386355NIL GI386356NIL GI386357NIL TCRAD3BJ0TCR ADV 3WHITE/BLUENIL TCRAD3BS0NIL TCRAD3BM0NIL TCRAD3BB0NIL TCRAD3BL0NIL TCRAD3BG0NILTCRAD3RJ0WHITE/REDNIL TCRAD3RS0NIL TCRAD3RM0NIL TCRAD3RB0NIL TCRAD3RL0NIL TCRAD3RG0NIL GI385452TCR A CARBON/BLACKNIL GI385453NIL GI385454NIL GI385455NIL GI385456NIL GI385457NIL TCR1WKJ0TCR 1WHITE/BLACKNIL TCR1WKS0NIL TCR1WKM0NIL TCR1WKL0NIL TCR1WKB0NIL TCR1WKG0NIL TCR1WYJ0WHITE/YELLOWNIL TCR1WYS0NIL TCR1WYM0NIL TCR1WYL0NIL TCR1WYB0NIL TCR1WYG0NIL TCR2RKJ0TCR 2RED/BLACKNIL TCR2RKS0NIL TCR2RKM0NIL TCR2RKL0NIL TCR2RKB0NIL TCR2RKG0NIL TCR2RWJ0RED/WHITENIL TCR2RWS0NIL TCR2RWM0NIL TCR2RWL0NIL TCR2RWB0NIL TCR2RWG0NIL GI384452DEFY ADV 1CARBON/WHITENIL GI384453NIL GI384454NIL GI384455NIL GI384456NIL GI384457NIL GI384652DEFY AD 3 TRI CARBON/SILVERNIL GI384653NIL GI384654NILTCR ADV 3GI384655NIL GI384656NIL GI384657NIL GI383852DEFY A 0RED/WHITENIL GI383853NIL GI383854NIL GI383855NIL GI383856NIL GI383562DEFY 1RED/BLACKNIL GI383563NIL GI383564NIL GI383565NIL GI383566NIL GI383567NIL GI383062DEFY 2 TRI BLUE/BLACKNIL GI383063NIL GI383064NIL GI383065NIL GI383066NIL GI383067NIL GI382562DEFY 3SILVER/BLACKNIL GI382563NIL GI382564NIL GI382565NIL GI382566NIL GI382567NIL GI389353TRI ADV SL 1CARBON/RED NIL GI389354NIL GI389355NIL GI389253TRI ADV SL 2CARBON/SILVERNIL GI389254NIL GI389255NIL GI388652TRINITY 0WHITE/BLUENIL GI388653NIL GI388654NIL GI388655NIL GI388152TRINITY 1BLACK/SILVERNIL GI388153NIL GI388154NIL GI388155NIL GI384963OMNIUM BLACK/WHITENIL GI384964NIL GI384965NIL GI384966NIL GI385273TCX RABO BLACK/WHITENIL GI385274NIL GI385275NIL GI385276NIL GI385083TCX 1WHITE/BLACKNIL GI385084NILDEFY AD 3 TRI CARBON/SILVERGI385085NIL GI385086NIL GI385087NIL GI380762RAPID 0WHITE/REDNIL GI380763NIL GI380764NIL GI380765NIL GI380766NIL GI381062RAPID 1WHITE/SILVERNIL GI381063NIL GI381064NIL GI381065NIL GI381066NIL GI380562RAPID 2WHITE/BLUENIL GI380563NIL GI380564NIL GI380565NIL GI380566NIL GI343753ANTHEM X AD SL 0CARBON/BLUENIL GI343754NIL GI343755NIL GI343756NIL GI343653ANTHEM X AD SL 1CARBON/REDNIL GI343654NIL GI343655NIL GI343656NIL GI342652ANTHEM X 1RED/BLACKNIL GI342653NIL GI342654NIL GI342655NIL GI342656NIL GI342852ANTHEM X 2BLUE/BLACKNIL GI342853NIL GI342854NIL GI342855NIL GI342856NIL GI342052ANTHEM X 3WHITE/BLUENIL GI342053NIL GI342054NIL GI342055NIL GI342056NIL XTADS0C40XTC ADV SL 0CARBONNIL XTADS0C60NIL XTADS0C80NIL XTADS0C00NIL XTADS0C20NIL XTAD1C40XTC ADV 1CARBON/BLUENIL XTAD1C60NIL XTAD1C80NIL XTAD1C00NILTCX 1WHITE/BLACKXTAD1C20NIL GI6531500XTC ADV 2CARBONNIL GI6531501NIL GI6531502NIL GI6531503NIL GI6531504NIL GI6531400XTC ADV 3CARBONNIL GI6531401NIL GI6531402NIL GI6531403NIL GI6531404NIL GI348552GLORY 0SILVER/BLUENIL GI348553NIL GI348554NIL GI348555NIL GI348952GLORY 1BLACK/REDNIL GI348953NIL GI348954NIL GI348955NIL GI348053TRANCE X AD SL 0CARBON/WHITENIL GI348054NIL GI348055NIL GI348056NIL GI347053TRANCE X AD SL 1CARBON/BLUENIL GI347054NIL GI347055NIL GI347056NIL GI346052TRANCE X 1BLACK/REDNIL GI346053NIL GI346054NIL GI346055NIL GI346056NIL GI345052TRANCE X 2SILV/ORANGENIL GI345053NIL GI345054NIL GI345055NIL GI345056NIL GI344552TRANCE X 3WHITE/REDNIL GI344553NIL GI344554NIL GI344555NIL GI344556NIL GI343552TRANCE X 4SILVER/BLUENIL GI343553NIL GI343554NIL GI343555NIL GI343556NIL GI346552REIGN 0WHITE/GOLDNIL GI346553NIL GI346554NILXTC ADV 1CARBON/BLUEGI346555NIL GI346556NIL GI346252REIGN 1BLUE/SILVERNIL GI346253NIL GI346254NIL GI346255NIL GI346256NIL GI346152REIGN 2BLACK/SILVERNIL GI346153NIL GI346154NIL GI346155NIL GI346156NIL GI346852REIGN X 0GREY/SMOKENIL GI346853NIL GI346854NIL GI346855NIL GI346652REIGN X 1BLUENIL GI346653NIL GI346654NIL GI346655NIL GI346752REIGN X 2BLACK/GREYNIL GI346753NIL GI346754NIL GI346755NIL GI347652REIGN SX WHITE/SILVERNIL GI347653NIL GI347654NIL GI347655NIL GI348652FAITH 0SILVER/BLUENIL GI348653NIL GI348654NIL GI348655NIL GI348752FAITH 1WHITE/ORANGE NIL GI348753NIL GI348754NIL GI348755NIL GI334550STP 1BLUENIL GI334551NIL GI334050STP SSWHITE/BLACKNIL GI334051NIL GI333662XTC A BLUE/WHITENIL GI333663NIL GI333664NIL GI333665NIL GI333666NIL GI333873XTC 29 1BLACK/BLUENIL GI333874NIL GI333875NIL GI333876NIL GI33347329 2NILREIGN 0WHITE/GOLDGI333474NIL GI333475NIL GI333476NIL GI6630800XTC 0BLUENIL GI6630801NIL GI6630802NIL GI6630803NIL GI6630804NIL GI6530600XTC 1BLACKNIL GI6530601NIL GI6530602NIL GI6530603NIL GI6530604NIL GI6530400XTC 2WHITENIL GI6530401NIL GI6530402NIL GI6530403NIL GI6530404NIL GI333462XTC 3 BLACK/BLUENIL GI333463NIL GI333464NIL GI333465NIL GI333466NIL GI333862XTC 4 WHITE/REDNIL GI333863NIL GI333864NIL GI333865NIL GI333866NIL GI340362YUKON FX BLUE/BLACKNIL GI340363NIL GI340364NIL GI340365NIL GI340366NIL INODRE40INNOVA DISCREDNIL INODRE70NIL INODRE90NIL INODRE10NIL INODBK40BLACKNIL INODBK70NIL INODBK90NIL INODBK10NIL AS865BK40IGUANA DISCBLACKNIL AS865BK70NIL AS865BK90NIL AS865BK10NIL AS865RD40REDNIL AS865RD70NIL AS865RD90NILXTC 29 2SMOKE/BLACKAS865RD10NIL AS860BL40IGUANABLUENIL AS860BL70NIL AS860BL90NIL AS860BL10NIL AS860YL40YELLOWNIL AS860YL70NIL AS860YL90NIL AS860YL10NIL AS845GB40YUKON DISCGREY/BLACKNIL AS845GB70NIL AS845GB90NIL AS845GB10NIL AS845WS40WHITE/SILVERNIL AS845WS70NIL AS845WS90NIL AS845WS10NIL AS840BW40YUKONBLUE/WHITENIL AS840BW70NIL AS840BW90NIL AS840BW10NIL AS840RW40RED/WHITENIL AS840RW70NIL AS840RW90NIL AS840RW10NIL AS820BW40BOULDERBLUE/WHITENIL AS820BW70NIL AS820BW90NIL AS820BW10NIL AS820RS40RED/SILVERNIL AS820RS70NIL AS820RS90NIL AS820RS10NIL GI389652TCR ADV 1 W CARBON/BLUE NIL GI389653NIL GI389654NIL GI388352AERYN 1GREEN/WHITE NIL GI388353NIL GI388354NIL GI384752AVAIL ADV 1CARBON NIL GI384753NIL GI384754NIL GI383952AVAIL ATEAL/CARBONNIL GI383953NIL GI383954NIL GI382662 3BLUE/WHITENIL GI382663NIL GI382664NILIGUANA DISCREDGI382665NIL GI382762BERRY/BLACKNIL GI382763NIL GI382764NIL GI382765NIL GI381162DASH 1WHITE/TEALNIL GI381163NIL GI381164NIL GI381165NIL GI380662DASH 2WHITE/GREENNIL GI380663NIL GI380664NIL GI380665NIL ALIETGR50ALIES TouringGREYNIL ALIETGR70NIL ALIETGR90NIL ALIETSW50PEARL WHITENIL ALIETSW70NIL ALIETSW90NIL GI349252ANTHEM X W 1BLACKNIL GI349253NIL GI349254NIL GI349452CYPHER 1WhiteNIL GI349453NIL GI349454NIL GI349455NIL GI6030706ARETE BLACKNIL GI6030700NIL GI6030701NIL GI6030702NIL ALIESSB50ALIES Sport SILVER/BLUE NIL ALIESSB70NIL ALIESSB90NIL MIA21OR40MIAORANGE NIL MIA21OR70NIL MIA21WT40WHITE NIL MIA21WT70NIL JOLLIPW40JOLLI PEARL WHITENIL JOLLIPW70NIL JOLLISG40GREEN NIL JOLLISG70NIL JOLLISP40PURPLE NIL JOLLISP70NIL NANAWT40NANA WHITENIL NANAWT70NIL NANARD40RED NIL NANARD70NIL NANABK40BLACK NIL NANABK70NIL FLCLAGR40ClassicGREENNILAVAIL 3BLUE/WHITEFLCLAGR70NIL FLCLAGR90NIL FLCLAWT40WHITENIL FLCLAWT70NIL FLCLAWT90NIL FLMI2PBS0Flight Mini 2 W VIOLET NIL FLMI3PKS0Flight Mini 3 W PINKNIL MAMOBK40MAMO BLACK/ORANGE NIL MAMOBK70NIL MAMOWT40WHITE/PINK NIL MAMOWT70NIL CF842WGS0BELLA 7S WHITE/GREEN NIL CF842WPS0WHITE/PINK NIL FD17WYLS0HALFWAY W YELLOW NIL FD17WBLS0BLUE NIL CLIP7GRS0CLIP 7SGREEN NIL CLIP7ORS0ORANGE NIL CLIP7PKS0PINK NIL CLIP7WTS0WHITE NIL GI384462BOWERY 72WHITE/REDNIL GI384463NIL GI384464NIL GI384465NIL GI384466NIL GI384762BOWERY 84BLACK/ALUMNIL GI384763NIL GI384764NIL GI384765NIL GI384766NIL GI359663SEEK 0ANO SILVERNIL GI359664NIL GI359665NIL GI359666NIL GI359563SEEK 1MATTE GRAYNIL GI359564NIL GI359565NIL GI359566NIL GI359463SEEK 2BLACK NIL GI359464NIL GI359465NIL GI359466NIL CF950WHS0CITY STORM WHITE NIL CITSPGOS9CITY SPEED GOLD NIL CITSPGOM9NIL CITSPSLS9SILVER NIL CITSPSLM9NIL FLMI0BKS0FLIGHT MINI 0BLACK NIL FLMI1BAS0FLIGHT MINI 1BRUSHED NIL FLMI1WTS0WHITE NIL FLMI2GRS0FLIGHT MINI 2GREENNILFLIGHT ClassicGREENFD17SBKS0HALFWAY 7S MATT BLACK NILFD17SRDS0RED NIL FD17SWTS0WHITE NIL FD817ORS0FD817ORANGE NIL FD817SLS0SILVER NILAIWAN)SIZE SIZE SPEED WHEEL零售价67XS20-SPD700C5999870S20-SPD700C5999873M20-SPD700C5999876ML20-SPD700C5999879L20-SPD700C5999882XL20-SPD700C5999867XS20-SPD700C4299870S20-SPD700C4299873M20-SPD700C4299876ML20-SPD700C4299879L20-SPD700C4299882XL20-SPD700C4299843XS20-SPD700C2699846.5S20-SPD700C2699850M20-SPD700C2699853.5ML20-SPD700C2699855.5L20-SPD700C2699858.5XL20-SPD700C2699843XS20-SPD700C1799846.5S20-SPD700C1799850M20-SPD700C1799853.5ML20-SPD700C1799855.5L20-SPD700C1799858.5XL20-SPD700C1799843XS20-SPD700C2899846.5S20-SPD700C2899850M20-SPD700C2899853.5ML20-SPD700C2899855.5L20-SPD700C2899858.5XL20-SPD700C2899843XS20-SPD700C2399846.5S20-SPD700C2399850M20-SPD700C2399853.5ML20-SPD700C2399855.5L20-SPD700C2399858.5XL20-SPD700C2399843XS20-SPD700C1699846.5S20-SPD700C1699850M20-SPD700C1699853.5ML20-SPD700C1699855.5L20-SPD700C1699858.5XL20-SPD700C1699846.5S20-SPD700C16998 50M20-SPD700C16998 53.5ML20-SPD700C16998 55.5L20-SPD700C16998 58.5XL20-SPD700C16998 43XS20-SPD700C13998 46.5S20-SPD700C1399850M20-SPD700C13998 53.5ML20-SPD700C13998 55.5L20-SPD700C13998 58.5XL20-SPD700C13998 43XS20-SPD700C10998 46.5S20-SPD700C10998 50M20-SPD700C10998 53.5ML20-SPD700C10998 55.5L20-SPD700C10998 58.5XL20-SPD700C10998 43XS20-SPD700C10998 46.5S20-SPD700C10998 50M20-SPD700C10998 53.5ML20-SPD700C10998 55.5L20-SPD700C10998 58.5XL20-SPD700C10998 43XS18-SPD700C7598 46.5S18-SPD700C7598 50M18-SPD700C7598 53.5ML18-SPD700C7598 55.5L18-SPD700C7598 58.5XL18-SPD700C7598 43XS18-SPD700C7598 46.5S18-SPD700C7598 50M18-SPD700C7598 53.5ML18-SPD700C7598 55.5L18-SPD700C7598 58.5XL18-SPD700C7598 43XS27-SPD700C23998 46.5S27-SPD700C23998 50M27-SPD700C23998 53.5ML27-SPD700C23998 55.5L27-SPD700C23998 58.5XL27-SPD700C23998 43XS27-SPD700C13998 46.5S27-SPD700C13998 50M27-SPD700C1399855.5L27-SPD700C13998 58.5XL27-SPD700C13998 43XS27-SPD700C13998 46.5S27-SPD700C13998 50M27-SPD700C13998 55.5L27-SPD700C13998 58.5XL27-SPD700C13998 43XS27-SPD700C8898 46.5S27-SPD700C8898 50M27-SPD700C8898 53.5ML27-SPD700C8898 55.5L27-SPD700C8898 58.5XL27-SPD700C8898 43XS27-SPD700C7398 46.5S27-SPD700C7398 50M27-SPD700C7398 53.5ML27-SPD700C7398 55.5L27-SPD700C7398 58.5XL27-SPD700C7398 43XS27-SPD700C5498 46.5S27-SPD700C5498 50M27-SPD700C5498 53.5ML27-SPD700C5498 55.5L27-SPD700C5498 58.5XL27-SPD700C5498 46.5S20-SPD700C41998 49.5M20-SPD700C41998 52L20-SPD700C41998 46.5S30-SPD700C41998 49.5M30-SPD700C41998 52L30-SPD700C41998 43XS20-SPD700C11998 46.5S20-SPD700C11998 50M20-SPD700C11998 53.5L20-SPD700C11998 43XS20-SPD700C8998 46.5S20-SPD700C8998 50M20-SPD700C8998 53.5L20-SPD700C8998 46.5S1-SPD700C9998 50M1-SPD700C9998 53.5ML1-SPD700C9998 55.5L1-SPD700C9998 49S20-SPD700C13998 51.5M20-SPD700C13998 55.5L20-SPD700C13998 58.5XL20-SPD700C13998 49S20-SPD700C12998 51.5M20-SPD700C1299855.5L20-SPD700C12998 58.5XL20-SPD700C12998 43XS20-SPD700C8998 46.5S20-SPD700C8998 50M20-SPD700C8998 55.5L20-SPD700C8998 58.5XL20-SPD700C8998 43XS18-SPD700C7298 46.5S18-SPD700C7298 50M18-SPD700C7298 55.5L18-SPD700C7298 58.5XL18-SPD700C7298 43XS27-SPD700C5998 46.5S27-SPD700C5998 50M27-SPD700C5998 55.5L27-SPD700C5998 58.5XL27-SPD700C5998 16S27-SPD2652998 18M27-SPD2652998 20L27-SPD2652998 21XL27-SPD2652998 16S27-SPD2631998 18M27-SPD2631998 20L27-SPD2631998 21XL27-SPD2631998 14.5XS27-SPD2624998 16S27-SPD2624998 18M27-SPD2624998 20L27-SPD2624998 22XL27-SPD2624998 14.5XS27-SPD2616,998 16S27-SPD2616,998 18M27-SPD2616,998 20L27-SPD2616,998 22XL27-SPD2616,998 14.5XS27-SPD2612998 16S27-SPD2612998 18M27-SPD2612998 20L27-SPD2612998 22XL27-SPD2612998 14XS20SPD2646998 16S20SPD2646998 18M20SPD2646998 20L20SPD2646998 22XL20SPD2646998 14XS27SPD2640888 16S27SPD2640888 18M27SPD2640888 20L27SPD2640888XS/14XS27SPD2621998 S/16S27SPD2621998 M/18M27SPD2621998 L/20L27SPD2621998 XL/22XL27SPD2621998 XS/14XS27SPD2616580 S/16S27SPD2616580 M/18M27SPD2616580 L/20L27SPD2616580 XL/22XL27SPD2616580 15XS9-SPD2635998 16.5S9-SPD2635998 17M9-SPD2635998 18L9-SPD2635998 15XS9-SPD2626998 16.5S9-SPD2626998 17M9-SPD2626998 18L9-SPD2626998 16S27-SPD2645998 18M27-SPD2645998 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F1等级折叠电动自行车
F1等级折叠电动自行车打开文本图片集出于对电动折叠自行车的热爱，GocVcle公司设计师兼创办人理查德·索普，于2021年离开了许多汽车设计师情有独钟的迈凯伦集团F1一级方程式赛车设计职位。
他深信，以他的设计能力加上在迈凯伦团队所学到的赛车相关设计知识及制造技15，可以帮助自己设计出一款全新的电动折叠自行车。
GOcycle享有盛名出于对电动折叠自行车的热爱，Gocycle公司设计师兼创办人理查德·索普，于2021年离开了许多汽车设计师情有独钟的迈凯伦集团F1一级方程式赛车设计职位。
他深信，以他的设计能力加上在迈凯伦团队所学到的赛车相关设计知识及制造技巧，可以帮助自己设计出一款全新的电动折叠自行车。
最初，索普用了3年的时间将应用于制造F1赛车的镁合金铸模技术移植到GoCycle车架的制造中。
注塑成型的镁合金框架别具一格，震撼了自行车界。
镁合金铸模技术是以镁材料为基础，加入合金化元素形成的适于用铸造方法生产零部件的镁合金，按成形工艺可分为铸造镁合金和变形镁合金，两者在成分、组织性能上存在很大差异。
其中铸造镁合金主要用于汽车零件、机件壳罩和电气构件等，变形镁合金主要用于薄板、挤压件和锻件等。
铸造镁合金具有如下特性：结晶温度间隔大，体收缩和线收缩大，组织中的共晶体量、比热容、凝固潜热、密度及液体压头均小，流动性低，拉裂、缩松倾向一般较铸造铝合金大得多。
在整体设计上，GocvCle充分运用了人体工程学。
为了将电动折叠自行车打造成外形优雅、简洁利落、轻巧精致、充满乐趣和令人向往的产品，索普使用整合式仪表显示器、后避震悬吊系统、锂电池、扭矩感应器、电动换挡系统、洁净式传动系统（CIeandrive）和轮圈快拆系统（PifstopWheels）。
精心设计的双驱动系统将整台车的输出动力分为前轮电机输出动力和后轮脚踏动力两种，此设计不仅让动力系统更轻便且提供稳定的前后配重比，同时也带来充沛的起步动力。