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A fixed-gear bicycle (or fixed-wheel bicycle in British usage, [citation needed] commonly known in some places as a fixie [1]) is a bicycle that has a drivetrain with no freewheel mechanism such that the pedals always will spin together with the rear wheel. The freewheel was developed early in the history of bicycle design but the fixed-gear ...
For a flat criterium at 40 km/h, 1 km circuit, 4 corners per lap, 10 km/h speed loss at each corner, one hour duration, there would be 160 corner "jumps". For 90 kg rider and bike, this adds roughly one third effort compared to the same ride at a steady speed, and a mass reduction of 10% of the total system weight (bicycle, rider, and luggage ...
Hyperglide or HG: Fits 7, 8, 9 and 10-speed cassette with down to 11-teeth (11T) sprockets, and is a very common freehub. Hyperglide 11 or HG-11: Fits 11 speed and 12 speed cassettes with down to 11T sprocket, and is wider than the original Hyperglide.
10-speed bicycle cassette. On a bicycle, the cassette or cluster [1] is the set of multiple sprockets that attaches to the hub on the rear wheel. A cogset works with a rear derailleur to provide multiple gear ratios to the rider. Cassettes come in two varieties, freewheels or cassettes, of which cassettes are a newer development. Although ...
The Peugeot UO 8 was a ten-speed bicycle manufactured by Cycles Peugeot during the "bike boom" of the 1970s. It was marketed as a mid-range "racing style" cycle, and was manufactured from sometime in the early 60s [1] until the end of 1980. [2] The model was discontinued for the 1981 model year. [3]
A touring bicycle with flat bars and 660 mm (26 in) wheels. A touring bicycle is a bicycle designed or modified to handle bicycle touring.To make the bikes sufficiently robust, comfortable and capable of carrying heavy loads, special features may include a long wheelbase (for ride comfort and to avoid pedal-to-luggage conflicts), frame materials that favor flexibility over rigidity (for ride ...
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 carbon fiber frame racing bicycle by the French company LOOK A road bicycle made by Scott Lance Armstrong riding in a posture often used on a road bicycle. A racing bicycle, also known as a road bike, is a bicycle designed for competitive road cycling, a sport governed by and according to the rules of the Union Cycliste Internationale (UCI).