shimano-dura-ace-r9100-chainring-52-tooth-11-speed-110mm-bcd-for-52-36t-combination
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shimano-dura-ace-r9100-chainring-52-tooth-11-speed-110mm-bcd-for-52-36t-combination, This 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 shiftingFeatures a weight saving 4-bolt design with a BCD of 110 mm