Shimano Dura-Ace R9100 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination CheckoutTitle=Zipp Vuka Race Extensions - 22.2mm }Cane Creek 40 EC44/40 Lower

}Cane Creek 40 EC44/40 Lower Headset Black

5 Lower Cup 56mm Upper Cup 44mm Headset Position Complete SHIS Upper EC44/28

Park Tool saw guides ensure a straight clean cut every time

}Crank Brothers Shoe Shields

Spring Weight 340 - 380 Material Steel I

Shimano Dura-Ace R9100 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination CheckoutTitle=Zipp Vuka Race Extensions - 22.2mm }Cane Creek 40 EC44/40 LowerShimano 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