Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups

FEATURES of the Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups

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Park Tool BBT-9 Shimano Hollow Tech II Wrench:

• Use to remove and install external bearing crankset bottom brackets
• 1 end of the BBT-9 securely engages the 16 notches of the bottom bracket cups
• Other end of the tool engages the 8 internal splines of the crank arm adjustment cap
• Fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm