Shimano Dura-Ace R9100 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination 1000g with standard threaded cartridge Inner Ring Compatibility:32T

Shimano Dura Ace R9100 Chainring 50 Tooth 11 Speed 110mm BCD For 50 34T Combination 1000g with standard threaded cartridge Inner Ring Compatibility:32T with standard threaded cartridge Color Black Defined Color Black Hose Use Rear 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 Outer Tooth Count 50 Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Size 50T