Center bearings BBRS500, threaded ITA , For cranks with integrated 24mm axle, for FC-R3000,FC4700 road cranks. New seal design for long life. For 70mm frame width
Type: ROAD, Total package weight: 133g, Length/Diameter: 70mm, Mounting method: ITA, Hollowtech II, silver, with plastic washers, Material: Aluminum
Progressive performance in all directions. Such is the Shimano TIAGRA 10-speed set, a versatile set with technologies adapted from the DURA-ACE set.