Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t MFPN=18077-13 Misc Red/Orange Bottom Bracket Type

Misc Red/Orange Bottom Bracket Type 41mm/16 notch

}Chromag Riza Stem - 38mm 31

The 303 S borrows design concepts from the higher-level 303 Firecrest Tubeless wheels to gain speed through increased efficiency achieved by creating a wheel with reduced wind resistance rolling resistance rider fatigue and weight

110mm asymmetric (ABS)

Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t MFPN=18077-13 Misc Red/Orange Bottom Bracket TypeShimano Dura Ace R9100 39t 110mm 11 Speed Chainring for 39 53t. 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 bolt design with a BCD