The Park Tool BBT-9 is used to remove and install select threaded bottom brackets with 16-notch tool fittings, including Shimano®, SRAM® GXP, Chris King®, Campagnolo®, and many others. Read more.
Fits 16-notch tool fittings with a major diameter (outside of notches) of 44–45 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
16-notch disc brake rotor lockrings
16-notch Bafang® BBSH, BBS02 mid-drive motor lockrings
Fits 8-point tool fittings on Shimano® Hollowtech II® crank arm caps:
