Product Details
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Park Tool BBT-9 Bottom Bracket Wrench (External Bearing)
Remove and install external bearing crankset bottom brackets. The BBT-9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm.
Product details
- One end securely engages the 16 notches of the bottom bracket cups
- One end engages the 8 internal splines of the crank arm adjustment cap
