derailleur

(redirected from Dérailleur)
Related to Dérailleur: derailleur, Rear derailleur

de·rail·leur

 (dĭ-rā′lər)
n.
A device for shifting gears on a bicycle by moving the chain between sprocket wheels of different sizes.

[French dérailleur, from dérailler, to derail; see derail.]

derailleur

(dəˈreɪljə)
n
(Mechanical Engineering) a mechanism for changing gear on bicycles, consisting of a device that lifts the driving chain from one sprocket wheel to another of different size
[French dérailleur derailer]

de•rail•leur

(dɪˈreɪ lər)

n.
a gear-shifting mechanism on a bicycle that shifts the drive chain from one sprocket wheel to another.
[1945–50; < French dérailleur literally, a device causing disengagement or derailing]
Translations

derailleur

[dəˈreɪljəʳ] n derailleur gears npl (Cycling) → deragliatore m