Federal Motion Freecoaster Hub - RHDFederal's Motion Freecoaster was designed to require less maintenance and to be easier to disassemble than other rear hubs, creating a more reliable part. The hub shell is built from 6061 T6 aluminium alloy with a heat treated chromoly axle, the axle is paired with a completely new nylon clutch retention spring that replaces the traditional spring and ball system. The nylon retention spring also reduces internal drag and enables faster rolling and