





Park Tool BBT-169
The Park Tool BBT-169 is a 16-notch bottom bracket tool with a 50 mm outer diameter, compatible with Shimano, Campagnolo, Chris King, FSA MegaExo, and many other modern threaded bottom brackets. Mechanics across different drivetrains rely on it.
- 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 bottom bracket cups
- Threaded bottom bracket cups from Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, Wheels, Fulcrum, and others
- Center lock disc brake rotor lockrings
- Bafang BBSH, BBS02 mid-drive motor lockrings
- 50.04 mm (1.97") outer diameter at point of engagement
Pairs well with

Park Tool BBT-169
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