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Brake: devices used to stop or slow down a bicycle. Rim brakes and disc brakes are operated by brake levers, which are mounted on the handlebars. Band brake is an alternative to rim brakes but can only be installed at the rear wheel. Coaster brakes are operated by pedaling backward; Brake lever: a lever for actuating a bicycle brake
The rod-actuated brake, or simply rod brake (roller lever brake in Raleigh terminology), uses a series of rods and pivots, rather than Bowden cables, to transmit force applied to a hand lever to pull friction pads upwards against the inner surface, which faces the hub, of the wheel rim. They were often called "stirrup brakes" due to their shape.
City bike levers were supplied with plastic lever arms. MAFAC produced side-pull brakes in the late 1970s and early 1980s, concurrently with their cantilever and center-pull offerings. The first of these was the angular LS model, later followed by the Campagnolo Nuovo Record-like LS2.
Shimano STI Dual Control shifter and brake lever: 1. Main lever 2. Release lever A. Pulling the main lever towards the rider applies the brake B. Pushing the main lever towards the center of the bike downshifts one, two or three gears depending on how far the lever is pushed (right hand shifter) or changes from a small chainring to a larger chainring (left hand shifter)
For this reason, certain handlebars are now available in multiple sizes related to the shifter or brake lever clamp diameter. Standard road drop handlebars (including track, cyclocross and touring bars) use a 23.8 mm (15 ⁄ 16 in) grip/lever diameter, which is matched only to road bike type shifters or brake levers. This diameter is usually ...
Additionally, the introduction of disc brakes has caused increased vulnerability of the front axle and skewer, due to the disc brake applying an ejection force that tends to pull the axle out of the fork. [1] The quick-release levers are usually on the left side of the bike, though some prefer to have them on the right if a disc brake is on the ...
Quality Bicycle Products (QBP) is a large distributor of bicycle parts and accessories in the bicycle industry, based in the United States, [2] with revenues of $150 million in 2008. [ 3 ] [ 4 ] In addition to wholesaling bicycles and components from other manufacturers, QBP owns and manufactures several brands of its own.
In the 1960s the Swiss manufacturer Weinmann supplied Dia-Compe with brake parts. Dia-Compe invented the brake-lever extension in roughly 1969. This was at once widely appreciated by manufacturers including Schwinn, which dropped the use of Weinmann brake sets and adopted Dia Compe brake sets on all models except the Schwinn Paramount.
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