Center bearings BBRS500, threaded BSA , For cranks with integrated 24mm axle, for FC-R3000,FC4700 road cranks. New seal design for long life. For 68mm frame width.
Type: ROAD, Total package weight: 131g, Length/Diameter: 68mm, Mounting method: BSA, 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.
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