Description

This tools allow you install and remove the newer threaded bottom brackets Shimano with the smaller outer diameter cups. One side works for Dura Ace and XTR while the other side fits Ultegra and XT cups.

It features a 3/8" inch drive on the backside for use with a torque wrench or breaker bar. Precision manufactured of the same aluminum alloy as our BB cups to ensure solid no-mar cup installation or removal.