Advertisement

Advertisement

derailleur

[ dih-rey-ler ]

noun

  1. a gear-shifting mechanism on a bicycle that shifts the drive chain from one sprocket wheel to another.


derailleur

/ dəˈreɪljə /

noun

  1. 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


Discover More

Word History and Origins

Origin of derailleur1

1945–50; < French dérailleur literally, a device causing disengagement or derailing, equivalent to déraill ( er ) to derail + -eur -eur
Discover More

Word History and Origins

Origin of derailleur1

French dérailleur derailer
Discover More

Example Sentences

Then came chain drives that let you use equal-sized wheels, and freewheels that allowed you to coast, and derailleurs that allowed you to change gears.

Good to know As part of your beginner triathlon training, consider it mandatory to master basic bike maintenance skills such as changing a flat tire and minor derailleur adjustments.

In our example, the bike manufacturer might have a step-by-step troubleshooting video or a content creator who’s passionate about cycling might have a “how to” for a broken derailleur.

From Digiday

Google will be able to identify the problem — in this case with the rear derailleur — and connect riders to helpful information across the web to fix it, like a YouTube video.

From Digiday

Shift the derailleur back to the smallest cog or chainring, loosen the cable bolt, and take up any slack before tightening it again.

Advertisement

Advertisement

Advertisement

Advertisement


derailderailment