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Home Bike Components & Parts Gruppo Parts Bottom Bracket Dura Ace Bottom Bracket SM-BB9000 (Item #ISMBB9000B)

Shimano Dura Ace Bottom Bracket SM-BB9000


Outside positioned bearings for better weight distribution and more stability. Bottom bracket has smaller, bearings than current model for lightweight.

  • New improved sealing ensures 50% less drag
  • Available for conventional and Press-Fit applications
  • Left/Right Cups - English


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Item # ISMBB9000B

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