Shimano Dura-Ace 9100 HollowTech II Bearing Cups
Maintain optimal drivetrain performance with ultra-low drivetrain friction with the Shimano Dura-Ace 9100 HollowTech II Bearing Cups. Shimano has improved on their already advanced seal construction for smoother rotation and reduced friction.
Available in both English and Italian models, the Shimano Dura-Ace 9100 HollowTech II Bearing Cups features a 68mm shell width.







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