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In this episode of Gabe's Bike Shop, we fix an electronic rear derailleur, discuss the best cycling movies, and talk electronic vs mechanical group sets.
Hanger: part of frame or an attachment to the frame to which the derailleur is attached (see Derailleur hanger) Handlebar: a lever attached, usually using an intermediary stem, to the steerer tube of the fork. Allows steering and provides a point of attachment for controls and accessories; Handlebar plug: see Bar plugs
The rear derailleur has two functions: it moves the chain between rear sprockets while taking up chain slack caused by moving to a smaller sprocket at the rear or a smaller chainring by the front derailleur. In order to accomplish this second task, it is positioned in the path of the bottom, slack portion of chain. Sometimes the rear ...
In 2001 Shimano introduced a set of trekking components called Di2 (Digital Integrated Intelligence), which included electronic shifting and automatic adaption of front and rear derailleur to riding speed. During the 2000s both Shimano and Campagnolo (2005) [6] experimented with electronic shifting in professional cycle races. [3]
A special tool exists to measure and correct misaligned hangers. On frames with no derailleur hanger, a direct mount derailleur or derailleur with a hanger plate is used. These only fit bikes with horizontal dropouts and are held in place by a small bolt and the rear wheel axle. These have now been effectively superseded by the derailleur hanger.
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A Rohloff Speedhub hub gear A Shimano XT rear derailleur on a mountain bike A bicycle gearbox with chain tensioner. Bicycle gearing is the aspect of a bicycle drivetrain that determines the relation between the cadence, the rate at which the rider pedals, and the rate at which the drive wheel turns.
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.
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