Park Tool BBT-9 Bottom Bracket Tool

For removal and installation of 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. Fits cups and 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® 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. Video: Park Tool BBT-9