Shimano Dura-Ace R9100 34t 110mm 11-Speed Chainring for 34/50t CheckoutSpec= 50mm (A1+/2021+) Security Rating: 15 of 15

Security Rating: 15 of 15 Length 11

fully clean chains before re-waxing

Hammer type TwinHead™ DX5 pump head with an extra-long and tangle-free hose makes it easy to reach valve stems

6mm Length 587

Position sensor ensures the gear always positions itself automatically in the perfect point for the selected sprocket

Shimano Dura-Ace R9100 34t 110mm 11-Speed Chainring for 34/50t CheckoutSpec= 50mm (A1+/2021+) Security Rating: 15 of 15This 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 of 110 mm Ring Position Type Inner Tooth Count 34 Drivetrain