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Thus a quill stem made to fit a 28.6 mm (1 + 1 ⁄ 8 in) steerer tube has an outer diameter of 25.4 mm (1 in). For 25.4 mm (1 in) steerer tubes the quill diameter is most often 22.2 mm (7 ⁄ 8 in) but some older American bicycles used 21.15 mm. Some older French bicycles used 25 mm steerer tubes with 22 mm diameter quill stems. [6]
Skirt guard or coatguard: a device fitted over the rear wheel of a bicycle to prevent a long skirt, coat or other trailing clothes or luggage from catching in the wheel, or in the gap between the rim and the brakes; Spindle: an axle around which a pedal rotates; threaded at one end to screw into crank arms; Spoke: connects wheel rim to hub ...
10-speed bicycle cassette. On a bicycle, the cassette or cluster [1] is the set of multiple sprockets that attaches to the hub on the rear wheel. A cogset works with a rear derailleur to provide multiple gear ratios to the rider. Cassettes come in two varieties, freewheels or cassettes, of which cassettes are a newer development. Although ...
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Klein was a bicycle company founded by Gary Klein that pioneered the use of large diameter aluminium alloy tubes for greater stiffness and lower weight. Klein produced his first bicycle frames while a student at the Massachusetts Institute of Technology during the 1970s, and full production runs of frames began in the 1980s.
In the days of quill stems, a road stem was clearly identifiable from its "7" shape, but nowadays it can be hard to tell the difference between a "road" (26.0 mm [1 + 1 ⁄ 32 in]) and "MTB" (25.4 mm [1 in]) stem. Manufacturers frequently omit the clamp size from advertising or packaging.
A wheel hub motor, hub motor, or in-wheel motor is a motor that is incorporated into the hub of the wheel. Wheel-hub motors are commonly found on electric bicycles. Electric hub motors were well received in early electric cars, but have not been commercially successful in modern production cars [1] [2] because they negatively affect vehicle ...
[4] [5] Notable Softride users include Greg Welch [6] and Jürgen Zäck. [6] [7] In a survey of bicycles ridden at the 1996 Ironman World Championship in Kona, Hawaii, there were 126 Softrides, out of 857 total bicycles, representing 14.7%. That was an increase from the 11.9% of 798 bicycles in 1995.