derailleur
/dih-rey-ler/US // dɪˈreɪ lər //UK // (dəˈreɪljə) //
变速器,脱轨器,减速器,变速箱
Definitions
n.名词 noun
- 1
- : a gear-shifting mechanism on a bicycle that shifts the drive chain from one sprocket wheel to another.
Examples
Shift the derailleur back to the smallest cog or chainring, loosen the cable bolt, and take up any slack before tightening it again.
Clamp the cable in the derailleur as normal, then shift the bike to the largest cog or chainring and let it sit for ten minutes or so.
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