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A rigid 2002 Trek 800 Sport mountain bike An elastomer suspension stem. Bicycle suspension is the system, or systems, used to suspend the rider and bicycle in order to insulate them from the roughness of the terrain. Bicycle suspension is used primarily on mountain bikes, but is also common on hybrid bicycles.
Mountain biking (abbr. MTB) is a sport of riding bicycles off-road, often over rough terrain, usually using specially designed mountain bikes.Mountain bikes share similarities with other bikes but incorporate features designed to enhance durability and performance in rough terrain, such as air or coil-sprung shocks used as suspension, larger and wider wheels and tires, stronger frame materials ...
The Flying Pigeon PA-02, a single-speed utility bicycle, is the most produced bicycle model in history. A single-speed bicycle is a type of bicycle with a single gear ratio . These bicycles are without derailleur gears , hub gearing or other methods for varying the gear ratio of the bicycle.
A mountain bike with 29″ wheels is often referred to as a 29er, and a bike with 27.5-inch wheels is called a 27.5 Mountain bike or as a marketing term ″650B bike". [ 27 ] Wheels come in a variety of widths, ranging from standard rims suitable for use with tires in the 1.90 to 2.10 in (48 to 53 mm ) size, to 2.35 and 3.00 in (60 and 76 mm ...
A fixed-gear or track-bike hub includes special threads for a lockring that tightens in the opposite (counter-clockwise) direction compared with the sprocket. This ensures that the sprocket cannot unscrew when the rider "backpedals" while braking. [61] A horizontal dropout on a steel frame road bicycle converted to a single-speed. The ...
The Clark Scamp was a simple, bicycle-based moped similar in concept to the earlier 'winged wheel' or cycle motor, manufactured from March to November 1968 by Alec Clark, of A N Clark (Engineers) Limited, a business which normally manufactured telescopic extendable masts for antennas and small gearboxes for handtools in Binstead, Isle of Wight, England [3] [1] [4] [2] [5]
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The Raleigh Twenty is the bicycle ridden by the main protagonist, Poppy, during the title sequence of the 2008 film Happy-Go-Lucky. It also appears in several scenes in the 2008 film Son of Rambow . The bicycle is mentioned in the chorus of the British Sea Power song " No Lucifer ", and is the inspiration for the 2019 song Raleigh Twenty by New ...