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- Bottom bracket wrench
- Park Tool BBT-9 "BB and Crank tool"
- Shop use
- Fits Shimano Hollowtech II bottom brackets
- For Hollowtech II, X-Type, MegaExo and Giga X-pipe BB's (ie. outboard bearings)
- Fits Shimano Hollowtech-II style bearing cups and crank-arm bolt: XTR-M960, XT-M765, Saint-M800, and Dura-Ace 7800 series
- One end engages the 16, external bearing-cup notches while the other end engages the 8 internal splines of the crank-arm fixing bolt
- Laser-cut steel construction
- Vinyl coated handle for comfort
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