derailleur

noun

de·rail·leur di-ˈrā-lər

: a mechanism for shifting gears on a bicycle that operates by moving the chain from one set of exposed gears to another

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The latter company is also responsible for the special-edition Super Record Wireless shifters, derailleurs and disc brakes, along with the Super Record crankset (with 48T and 32T chainrings), chain, and 10-29T 12-speed cassette. —

Ben Coxworth, New Atlas, 29 Nov. 2024 Its 1 x 12-speed drivetrain combines a Shimano XT derailleur and shifter with an SLX chain and cassette. —

Ben Coxworth, New Atlas, 8 Oct. 2024 For five years, Rivendell has been working on manufacturing its own derailleur. —

Anna Wiener, The New Yorker, 16 Sep. 2024 So far on the Divide I’d been chased by dogs, climbed a tree to get away from a territorial bull, and shattered my derailleur a week into the route. —

Maggie Slepian, Longreads, 15 Aug. 2024 See all Example Sentences for derailleur