The BBT-9 is used to remove and install external bottom brackets such as the Hawk Racing ENG or ITL threaded bottom bracket. This tool is a must to install a Hawk Racing threaded bottom bracket.
The Park Tool 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.
NOTE: This tool is not designed to work with the Hawk Racing ENG3086 crank.