Bottom brackets occasionally require removal for service, replacement or upgrade. The Park Tool BBT-19.2 is compatible with select bottom brackets equipped with a 16-notch tool mount, including most Shimano models with outboard bearings. Constructed of high-precision hardened chrome steel and can be operated using a 3/8" wrench, socket, or wrench.

- Fits 16-notch threaded bottom bracket tool fittings with major diameter 44-45mm (outside of the notches) and minor diameter 42.7mm (inside of the notches), including: Shimano BB80, BB5700, XT BB70, BB51 and previous threaded cups with external bearings Campagnolo SRAM/Truvativ GXPChris King FSA MegaExo Hope Race Face X-typeSurly Wheels Manufacturing Fulcrum
- Also fits 16 notch Bafang® BBSH, BBS02 mid-drive e-bike motor caps
- Has a 3/8" fitting and for a 1" flat spanner
NOTE: Due to the shallow engagement of their fittings, the BBT-19.2 is not recommended for 16 notch disc brake rotor ferrules. Use Park Tool BBT-9 or BBT-69.4 instead.