Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t Model-Mega (S) Neoprene cuff with Velcro adjustment

Neoprene cuff with Velcro adjustment

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Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t Model-Mega (S) Neoprene cuff with Velcro adjustmentThis Shimano chainring allows you to update your Dura Ace FC R9100 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4 bolt design with a BCD of 110 mm Ring Position Type Inner Tooth Count 39 Drivetrain