Shimano Dura-Ace R9100 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MPFN-FD40105-10 Adjustable carbon trigger and cover

Adjustable carbon trigger and cover reduce weight

}Surly Stainless Steel Ring 32t x 104mm

Color Black Defined Color Black Length 200cm Material Synthetic Thickness 2

5" ISO Width (mm) 70 Labeled Size 27

9 Color Blue Type Quick Release Material Aluminum Defined Color Blue Weight 30

Shimano Dura-Ace R9100 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MPFN-FD40105-10 Adjustable carbon trigger and coverShimano Dura Ace R9100 Chainring 50 Tooth 11 Speed 110mm BCD For 50 34T 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