Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MFPN=2020 RAGE I 30.9 170 Features include our patented retracting

Features include our patented retracting pin guide (RPG) for superior functionality and reliability peening bit and backer for installation of Campagnolo 11 12 and 13 speed chains and integrated guide pin sheet slot to quickly remove guide sections from installation pins

Tap the extractor out with a punch

Ideal for 1x10 1x11 and 1x12 drivetrains

6mm Length 445mm Weight 731g Color Black Travel Drop 125Mm

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

Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination MFPN=2020 RAGE I 30.9 170 Features include our patented retractingThis 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