Shimano Dura-Ace R9100 Chainring - 52 Tooth 11-Speed 110mm BCD For 52-36T Combination MPFN-11.5015.064.020 Lightweight aluminum valve stems are

Lightweight aluminum valve stems are half the weight of standard brass models

Gel Shock Wrap Road Tape made of a combination of Synthetic and Real Cork has an added gel cushion for a more comfortable grip

barrel material aluminum psi 300psi color silver

Rear rise platform provides enhanced pelvis rotation and power from a standard position down curved nose aids in climbing and prevents snagging

Shimano Dura-Ace R9100 Chainring - 52 Tooth 11-Speed 110mm BCD For 52-36T Combination MPFN-11.5015.064.020 Lightweight aluminum valve stems areShimano 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 shifting Features a weight saving 4