![Park Tool BBT-69.2 Bottom Bracket Tool Park Tool BBT-69.2 Bottom Bracket Tool](https://cdn11.bigcommerce.com/s-tpvx4esvgk/images/stencil/500x500/products/130368/393331/park-tool-bbt-69.2-bottom-bracket-tool-269102-9999222__27582.1697588825.jpg?c=1)
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.
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 The BBT-9 also fits rotor disc lockrings which use 16 external notches.