Park Tool BBT-9 Bottom Bracket Wrench

This is the 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 rotor disk lockrings with 16 external notches and an outside diameter of approximately 44mm.
The BBT-9 works with many external bearing crankset bottom brackets, including:

• Shimano® Hollowtech II
• Campagnolo® Ulta-Torque and Power Torque
• Race Face®
• FSA®
• SRAM®
• Truvativ®
• Chris King®
• Phil Wood® outboard bearing
• Hawk-Racing