Shimano tooling
Moderator: robbosmans
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- Posts: 12443
- Joined: Mon Jul 24, 2017 12:02 pm
Dura-Ace/XTR cups are 42mm in diameter. Ultegra/XT cups are 44mm. Most other threaded BB are 46mm. As the adapters are included 42mm and 44mm BBs, I doubt anyone ever needs to buy these individually.
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