Shimano Dura-Ace R9100 Bottom Bracket - Bsa
Shimano DURA-ACE R9100 Bottom Bracket - BSA. The R9100 bottom bracket by Shimano provides smoother rotation with 50% less drag, due to its new seal construction. It also features smaller ball bearings, which are positioned on the outside for lighter weight and better weight distribution.
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* This offer may contain time-sensitive information and offers. Please check with Performance Bicycle to confirm actual price & availability.