Sprockets and cranks

Bicycle sprockets and chainrings, cranks(ets) etc.

Speeds – rear sprockets

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Bicycle speeds - rear sprockets

Updated: 16/11/2018. This post gives a short overview of “bicycle speeds” in terms of rear sprocket (chainring) count. A series of articles explaining which sprockets can be matched with which derailleurs and shifters can be found here: Bicycle parts compatibility. For more details on cassette standards, read: Bicycle cassette (rear chainring) standards.   Bicycle rear sprockets … Read more Speeds – rear sprockets

Bicycle rear sprockets – freewheel VS freehub

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Bicycle rear sprockets - freewheel vs freehub

Updated: 26/08/2019. There are two major standards (ways) of attaching bicycle cassettes to the rear wheel: old freewheel and the newer freehub. The differences and how to tell one from the other are explained in this post. 1. Freewheel VS Freehub Rear hubs are explained in the Bicycle rear hub post, while here the emphasis is … Read more Bicycle rear sprockets – freewheel VS freehub