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Shimano

Shimano Dura-Ace R9100 English Thread Fit Bottom Bracket

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689228858619
The Shimano Dura-Ace R9100 Bottom Bracket features smaller lightweight bearings and an advanced seal construction for smoother rotation and increased durability. It is designed to work in combination with the Dura-Ave R9100 crankset to offer optimum stiffness and a smoother pedal stroke.
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