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Shimano Dura-Ace BB-R9100 Bottom Bracket
Original price was: $41.99.$35.69Current price is: $35.69.
The Shimano Dura-Ace BB-R9100 Bottom Bracket shares the same performance enhancing features as the previous 9000-series bottom bracket using small diameter bearings to shave weight reshaping the cones for better durability and improving the seals to reduce friction while maintaining the same water and debris resistance.