Shimano Dura-Ace R9100 54t 110mm Chainring for 54-42t

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 Item Specifications Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Drivetrain Speeds 11 Ring Position/Type Outer Tooth Count 54 Shimano Dura-Ace R9100 11-Speed Chainring UPC: 689228072183