Shimano Dura Ace 7900 Bottom Bracket Cups

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  • Description
  • The bottom bracket bearings for the HollowTech II FC7900 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 FC7900 chainset, with a choice of English or Italian thread BB cups