Park Tool BBT-9 Bottom Bracket Tool - Hollow Tech WORKSHOP Chain pin breaker

Chain pin breaker

Upper Material: Synthetic leather+Mesh

Chebacco/Altum Disc Rear Dropout Assembly

Never expose to open flame

Cartridge Axle

Park Tool BBT-9 Bottom Bracket Tool - Hollow Tech WORKSHOP Chain pin breakerThe 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. Specifications Fits 16 notch tool fittings with a major diameter