Park Tool BBT-9 Bottom Bracket Wrench
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 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm.
- Shimano® Hollowtech II®
- Campagnolo® Ultra-Torque™ and Power Torque™
- Race Face®
- Chris King® Threadfit 24
- Phil Wood® outboard bearing
- Hawk Racing
- Hope 24mm
The BBT-9 also fits rotor disc lockrings which use 16 external notches.