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A track bicycle or track bike is a form of fixed-gear bicycle optimized for racing at a velodrome or at an outdoor track. Some road racing and club cyclists use a fixed-gear bicycle for training during the winter months, generally using a relatively low gear ratio, believed to help develop a good pedalling style. [5]
Bicycle messenger culture in the late 20th century and early 21st century is a major influence to freestyle on fixed-gear bikes. Fixed gears date to the mid-19th century, and bike messengers in New York have long found them to be dependable and practical machines for tough city streets.
This page lists notable bicycle brands and manufacturing companies past and present. For bicycle parts, see List of bicycle part manufacturing companies.. Many bicycle brands do not manufacture their own product, but rather import and re-brand bikes manufactured by others (e.g., Nishiki), sometimes designing the bike, specifying the equipment, and providing quality control.
Cross Country bikes (or XC bikes) are mountain bikes with a light frame, with a front or full suspension. They are designed for long courses and marathons. Downhill bikes (or DH bikes) are a specialized type of mountain bike with a very strong frame, altered geometry, and long travel suspension. They are designed for use only on downhill courses.
Trek believed that the cachet of the name and models offering a longer top tube than Trek's frame geometries would increase sales . In September 2013, LeMond partnered with Time to produce a limited run of 300 frames to commemorate his three Tour victories in 1986, 1989, and 1990. In August 2014, Greg LeMond launched the Washoe, a Reynolds 853 ...
A chain drive and rear derailleur gear change, the most popular system in use today A shaft-drive with crankset and rear gear hub. Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels.
Nicolai gearbox mountain bike Pinion P1.18 gearbox installed in a bicycle frame Instinctiv Modern full suspension carbon gearbox mountain bike. A gearbox bicycle is a bicycle that uses a gearbox [1] [2] to convert torque and rotational speed from the power source, usually the rider's legs, to what is desired at the drive wheel.
One standard option for the Brompton folding bicycle is to use a 3-speed hub gear (roughly a 30% difference between gear ratios) in combination with a 2-speed derailleur gear (roughly a 15% difference) to give 6 distinct gear ratios; this is an example of half-step gearing. Some Brompton suppliers offer a 2-speed chainring 'Mountain Drive' as ...