Jockey wheel: considered one of two tiny sprockets from the rear derailleur that guides the chain on to the cassette Hub: the middle part of a wheel that contains bearings and it is exactly where the spokes attach and then connect outward into the rim. Freewheel: a ratcheting assembly that https://bikeengine2stroke03704.bloggactivo.com/34323913/go-karts-can-be-fun-for-anyone