Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination Stone/Petrol 5mm 10-Speed 52/36t 110 Asymmetric

5mm 10-Speed 52/36t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray

Hard cap & foam lining

eTap Compression Nuts

Brake Lever Actuation Hydraulic Brake Lever Use Left Cable Head Type Hydro Color Black

Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination Stone/Petrol 5mm 10-Speed 52/36t 110 AsymmetricShimano Dura Ace 9000 Chainring 50 Tooth 11 Speed 110mm BCD For 50 34T Combination. This Shimano chainring allows you to update your Dura Ace FC 9000 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