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SHIMANO DURA-ACE 9100 HOLLOWTECH II BEARING CUPS

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  • The bottom bracket bearings for the HollowTech II FCR9100 crankset, which is the 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 FCR9100 chainset, with a choice of English or Italian thread BB cups