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Shimano Dura Ace 7900
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7900 Dura-Ace HollowTech II bearing cups
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English or Italian thread.
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The bottom bracket bearings for the HollowTech II FC7900 crankset, which is he ultimate crankset for stiffness whilst keeping weight low for performance riding and racing.
- Minimal bearing interface gives superbly smooth rotation
- Distinctive style that exudes quality and perfection
- Required for installation of FC7900 chainset, with a choice of English or Italian thread BB cups
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