Google Customer Reviews 
Description
The Park Tool BB & Lockring Tool (BBT-9) will allow you to remove & install threaded bottom brackets with 16-notch tool fittings.
Meaning this tool needs to be used in conjunction with another – such as this BBT-19.2 16-Notch tool.
This handy tool will then be able to remove cranks from many brands like Shimano, Sram, Campagnolo, Chris King & more.
And because bikes have so many standards, this tool fitting is also found on some disc brake rotor lockrings.
Additionally, the BBT-9 includes a tool that removes and installation of 8-point Shimano Hollowtech II crank arm adjusting caps.
The long, plated-steel handle offers good leverage for high-torque applications.
Park Tool BB & Lockring Tool (BBT-9) features & specs
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:
- Equivalent to Shimano® TL-FC16 or TL-FC18 tool
For instructions on how to use this tool, check out this PDF from Park Tool.
