Fits 16-notch tool fittings with a major diameter (outside of notches) of 4445 mm and a minor diameter (inside of notches) of 42.7 mm, including:
Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups
Threaded bottom bracket cups from Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, Wheels, Fulcrum, and others
3/8" drive fitting
Integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately)