Unior bottom bracket socket 16 notch 1671.16n Spanners for mounting and dismounting various bottom bracket cups are precisely manufactured using CNC machines. The socket wrenches are made of aluminum and are red anodized for durable surface protection. The precise fit prevents damage to the outer bearing shells. A roughened surface on the side of the wrench provides better grip when tightening the bearing shells by hand. In addition, the 3/8'' adapter allows for easy use with torque wrenches, ratchets, or other levers.This socket wrench fits:CampagnoloShimano Hollowtech IISRAM GXPCenterlock lockringChris KingFSA MegaExoUnior Article number: 723253 EAN code: 3838909276236