单词	derailleur
释义	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 Example Sentences Recent Examples on the Web The rear derailleur also needed some adjustments before all seven gears were accessible. John Timmer, Ars Technica, 31 Aug. 2022 But for me, the standout feature was the bike's gears—seven of them on a rear derailleur. John Timmer, Ars Technica, 31 Aug. 2022 The sound of a chain clanging against a chainstay was once as much a part of mountain biking as shin bruises and peeing in the woods; now it’s been silenced forever by the advent of the clutch derailleur. Eben Weiss, Outside Online, 17 Mar. 2022 By 1940 Campagnolo had developed the Cambio Corsa shifting system, which was a derailleur that used two levers and rods attached to the right-side seat stay. Andrew Freeman, Outside Online, 21 May 2012 Quick release axles, derailleur drivetrains, aluminum rims…all of these things started out as cutting-edge performance innovations but ended up making bikes better for just about everybody. Eben Weiss, Outside Online, 21 Apr. 2022 First, the brain of the system lives in the fork and is powered by a standard AXS battery, the same one used on the rear derailleur and seatpost. Rob Reed, Forbes, 11 Oct. 2021 If the derailleur itself is broken, temporarily convert your bike into a singlespeed. Joe Lindsey, Outside Online, 1 June 2021 Modern derailleur hangers are designed to break first, saving the expensive bits. Joe Lindsey, Outside Online, 1 June 2021 See More Word History Etymology French dérailleur, from dérailler First Known Use 1930, in the meaning defined above
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