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2012 Shimano Dura Ace 7900 Bottom Bracket Cups
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Product Choices
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* denotes required field
Bottom Bracket Threading*
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Description
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2012 Shimano Dura Ace SM-BB7900 Bottom Bracket Cups
Features bottom bracket bearings for the HollowTech II FC7900 crankset, which is the ultimate crankset for stiffness while keeping weight low for performance riding and racing.
- HOLLOWTECH 2: Optimum balance of lightweight and rigidity
- Outboard bearings provide additional stability
- Q-factor remains same as FC-7701/BB-7700
- Minimal bearing interface for smoother rolling
- 93 grams
- UPC: 689228248052 (English)
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