Shimano Dura-Ace R9100 54t 110mm Chainring for 54-42t Color-Contour Bonus storage space—fits a presta-to-schrader

Bonus storage space—fits a presta-to-schrader adapter and valve core or a master link (both sold separately EnCase System Extras)

45mm reach BRAKES: TEKTRO "MD280" - mechanical disc front & rear brake

Application: hot apply T ° iron 150C °

Redline Skin

3D forged and CNC machined 6061-T6 alloy construction for a balance of strength and weight

Shimano Dura-Ace R9100 54t 110mm Chainring for 54-42t Color-Contour Bonus storage space—fits a presta-to-schraderThis 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 Outer Tooth Count 54 Drivetrain