STEP 2 Hubs


Hub

A hub is the center part of a bicycle wheel. It consists of an axlebearings and a hub shell. The hub shell typically has two machined metal flanges to which spokes can be attached. Hub shells can be one-piece with press-in cartridge or free bearings or, in the case of older designs, the flanges may be affixed to a separate hub shell.

 

 

 

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