Shimano Dura-Ace R9100 34t 110mm 11-Speed Chainring for 34/50t CheckoutSpec= 50mm (A1+/2021+) Simplistic fully sealed alloy cage

Simplistic fully sealed alloy cage / stainless tip cartridge system

The gasket and valve core are replaceable for extended product usability

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

80ml Liquid

Specifically engineered for racing and high-intensity workouts in cold

Shimano Dura-Ace R9100 34t 110mm 11-Speed Chainring for 34/50t CheckoutSpec= 50mm (A1+/2021+) Simplistic fully sealed alloy cageThis 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