Shimano Dura Ace BB-R9100 Bottom Bracket

C$53.99
Article code DBR135734
Hollowtech II bottom bracket with small ball bearings for lightweight.

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  • Hollowtech II bottom bracket with small ball bearings for lightweight
  • Advanced seal construction for smoother rotation
  • Available in 68mm BSA or 70mm Italian
  • Compatible with all road Hollowtech II cranks