PARK TOOL BBT-9
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 have to install a Hawk Racing threaded bottom bracket.
The Park Tool BBT-9 securely engages the 16 notches of the Hawk Racing 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 (usually all ENG and ITL threaded cups, including Hawk Racing) and an outside diameter of approximately 44mm.