Unior bottom bracket socket BSA30 1671.BSA30 Socket wrenches for mounting and dismounting various bottom bracket cups are manufactured with precision using CNC machines. The socket wrenches are made of aluminum and are red anodized for durable surface protection. The precise adjustment prevents damage to the outer bearing cups. A roughened surface on the side of the wrench provides better grip when tightening the bearing cups by hand. In addition, the 3/8'' adapter allows for easy use with torque wrenches, ratchets, or other levers.This socket wrench fits:SRAM DUBROTOR BSA30Unior Item Number: 723251 EAN Code: 3838909276212