Park Tool BBT-9 Bottom Bracket Tool size-2xs-xs Synchwire is an advanced composite

Synchwire is an advanced composite of thermo-bonded film that provides overall durability

While other tyres excel only in certain conditions

It tilts to allow access to the boot

Sodium Benzoate

Park Tool BBT-9 Bottom Bracket Tool size-2xs-xs Synchwire is an advanced compositeAbout Park Tool BBT 9 Bottom Bracket Tool 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 bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap on Shimano Hollowtech II systems. The BBT 9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm. Features 16 notch 44mm