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
