Derailleur
A derailleur ( di-RAYL-ər; di-RAYL-yər) is specifically a device that moves a bicycle chain from one sprocket to another, and more generally the entire gearset on a multiple-speed bicycle with such a mechanism.
Modern front and rear derailleurs typically consist of a moveable chain-guide that is operated remotely by a Bowden cable attached to a shifter mounted on the down tube, handlebar stem, or handlebar. When a rider operates the lever while pedalling, the change in cable tension moves the chain-guide from side to side, "derailing" the chain onto different sprockets.
Formula 14 EP
- 2021-02-26T00:00:00.000000Z
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