The BBT-9 is used to remove and install external bearing crankset bottom brackets. One end of the BBT-9 securely engages the 16 notches of the bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap.
The BBT-9 works with many external bearing crankset bottom brackets, including:
- Shimano® Hollowtech II
- Campagnolo® Ulta-Torque and Power Torque
- Race Face®
- Chris King®
- Phil Wood® outboard bearing
The BBT-9 also fits rotor disc lockrings which use 16 external notches.