Park Tool BBT-9 Bottom Bracket Tool Over 70% Off Aero seat post strap included

Aero seat post strap included

Graphics on the waist and side panels provide a sporty look

Bit carry case included

Sharkskin fabric lined heel cup helps hold foot in place

What is CLIF Bar

Park Tool BBT-9 Bottom Bracket Tool Over 70% Off Aero seat post strap includedThe 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