Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MFPN=2020 RAGE I 30.9 170 4" Tubeless Folding Black Evolution

4" Tubeless Folding Black Evolution Line Addix Soft Super Gravity

Ideal for 1x10 1x11 and 1x12 drivetrains

0 size 650b width 47mm compund TLR/TNT G2

Tubeless Ready with Dual Angle Bead for easy setup designed to measure 29mm on Zipp’s 23mm TSS rim

Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MFPN=2020 RAGE I 30.9 170 4" Tubeless Folding Black EvolutionThis 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 design with a BCD of 110 mm Ideal for road cycling Ring Position Type Outer Tooth