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Shimano Dura Ace R9100 11sp BB Cups BB-R9100

Shimano Dura Ace R9100 11sp BB Cups BB-R9100

Regular price
Sold out
Sale price
£49.99

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