Description
These tools allow you to install and remove the new Shimano threaded bottom brackets with the smaller outside diameter cups. One side works for Dura Ace and XTR while the other side fits Ultegra and XT cups.
It features a 3/8" drive on the rear for use with a torque wrench or cutter bar. Precision-engineered from the same aluminum alloy as BB cups to ensure sturdy, mark-free cup installation or removal.