Bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT-19.2 is compatible with some bottom brackets that feature a 16-notch tool fitting, including most Shimano® models with outboard bearings. Constructed from high-precision hardened chromoly steel, and can be driven using a wrench, socket, or 3/8" drive wrench.

BBT-19.2 FEATURES
•Fits 16-notch threaded bottom bracket tool fittings with a 44-45 mm major diameter (outside of notches) and 42.7 mm minor diameter (inside of notches), including:
•Shimano® BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups
•Campagnolo®
•SRAM®/Truvativ® GXP
•Chris King®
•FSA MegaExo®
•Hope®
•Race Face® X-type
•Surly®
•Wheels Manufacturing™
•Fulcrum®
•Also fits 16-notch Bafang® BBSH, BBS02 mid-drive e-bike motor lockrings
•Features a 3/8" drive fitting and 1" wrench flats