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 enages the 8 internal splines of the crank arm adjustment cap. The BBT-9 fits cups and lockriings 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 Ultra Torque and Power Torque
– Race Face
– FSA
– SRAM
– TruVativ
– Chris King
– Phil Wood outboard bearing
– Hawk Racing
– Token
– Fulcrum

The BBT-9 also fits rotor disc lockrings which use 16 external notches