Description: Superior weatherproof functionality with labyrinth sealsInter-8 hubs use pedal power to aid down-shifting resulting in fast and accurate shifts with an exceptionally light feelShimano's precise manufacturing abilities construct Inter-8 rear hubs with significantly less drag than previous models in combination with quick, smooth, silent shiftingPlease note: hub is not supplied with rear sprocket, fitting kit, or shift lever, these need to be ordered separately