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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. Most also include some type of a mechanism to convert speed and torque via gear ratios .
A person pedalling with 100 W power can achieve 5.5 m/s on a roadster, 7.5 m/s on a racing bicycle, 10 m/s with a faired HPV and 14 m/s with an ultimate HPV. [9] In competitive cycling a sustainable high speed is augmented by the use of light materials, low-resistance tires, aerodynamic design, and the aerodynamic effects of the peloton. The ...
Alps Bicycle Industrial Co., Ltd., associated with Uchikanda Bicycle Shop in Tokyo from 1918 until its closure in 2007; specialized in made-to-order touring bicycles and equipment [7] Araya, a manufacturer of bicycle rims and of the Focus bicycle brand [8] Bridgestone (variously marketed as Anchor, C.Itoh, Kabuki)
The width of early Shimano 6- and 7-speed cassettes was 36 mm, and early 8-speed 40 mm wide. Shimano then changed again and standardised 8-11 speed cassettes on 41.5 mm and second generation 7-speed to 38 mm. The widening of the sprocket carrier on the cassette hubs to 41.5 mm resulted in a decrease in the distance between the hub flanges.
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.
Seven years later in 1960, Huffman was the third largest bike manufacturer in the United States. [3] Popular models produced during the heyday of the Huffy Corporation included the RadioBike, which had an electron-tube radio in the tank; [7] the Scout, a 10-speed road bicycle; the Dragster, a so-called "wheelie bike"; and the Sigma, a BMX bike.
Ten Speed may refer to: 10 Speed, album by Canadian band Mystery Machine (band) Road bicycle—10-speed is a 1970s American term describing road racing bicycles (using a derailleur) with 10 total gearing combinations, or speeds. Ten Speed Press; Ten Speed (Of God's Blood and Burial) Tenspeed and Brown Shoe
Single-speed mountain bike. A single-speed bicycle is a type of bicycle with a single gear ratio and a freewheel mechanism. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle. Adult single-speed bicycles typically have a gear ratio of between 55 and 75 gear inches, depending on ...