Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t ModelNumber=MWHISKY03 }Hope Tech 3 Shifter Mount

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Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t ModelNumber=MWHISKY03 }Hope Tech 3 Shifter MountShimano Dura Ace R9100 55t 110mm Chainring for 55 42t. 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 shifting Features a weight saving 4 bolt design with a BCD of 110 mm