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low friction layer designed to reduce rotational motion transferred to the brain during an impact
Dual out front mount allows the use of your light with any quarter-turn device
Includes two pre-loaded DARTs for sealing multiple and larger punctures
Optimized tooth profile offers excellent chain retention
Upgraded with the double BOA® Fit System
Shimano Dura-Ace FC-R9200 Crankset - 175mm 12-Speed 54/40t Hollowtech II Spindle Interface BLK Model=Spaceship 5 low friction layer designed toThe Shimano Dura Ace FC R9200 crank performs two vital functions; transferring your pedaling effort into the drivetrain and ensuring the fastest most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class leading chainring designs the FC R9200 won't let you down. Optimal balance of stiffness strength weight and rotational performance HOLLOWGLIDE structure cuts weight yet maintains strength for better
