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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 ...
Conventional metallic bicycle wheels have 24, 28, 32 or 36 spokes. Wheels on tandems and BMX often have 40 or 48 spokes to support additional stresses and weight. Lowrider bicycles may have as many as 144 spokes per wheel. [20] [21] [22] Wheels with fewer spokes have an aerodynamic advantage, as the drag is reduced. The reduced number of spokes ...
Pacific Cycle, Inc., is an American subsidiary of Dutch conglomerate Pon Holdings that makes, imports and distributes bicycles. It was founded in 1977 by Chris Hornung. It was founded in 1977 by Chris Hornung.
[7]) was increased, necessitating more dish on the rear wheel drive side with a threaded hub to centre the wheel in the frame. The hub flanges spacing was not shortened on threaded hubs, rather the axle length increased from 120 mm OLD (5-speed/compact-6) to 126 mm OLD (6-speed/compact-7) through to 130 mm OLD (threaded 7-speed) for a road bike.
For a normal wheel size and spoke count, only the latter is suitable for a wheel that has to transmit torque from the hub to the rim, as with rear wheels or hub brakes. This rule is occasionally broken where a very large number of spokes is used, or the wheel is unusually small in diameter, either of which reduces the amount of increased ...
Small wheels may be welcome in indoor locations where large wheels are not. Small-wheel bicycles are adult bicycles that have wheels of 510 mm (20 in) nominal diameter or less, which is smaller than the 700c (522 mm), 660, 700, 740 mm (26, 27.5, 29 in) sizes common on most full-sized adult bikes.
The joint venture worked with a non-profit created to operate the system, Denver Bike Sharing, operating as Denver B-cycle, to launch with 500 bikes and 40 stations in Denver on Earth Day, April 22, 2010. [13] [14] [15] In 2018, the eighth year of Denver B-cycle, it received a US$400,000 subsidy from the City of Denver government. [16]