Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t Clamp Size-25-31.8mm Inside the BB ALPHA the Model Name-Charger Lock On

Shimano Dura Ace R9100 53t 110mm 11 Speed Chainring for 39 53t Clamp Size 25 31.8mm Inside the BB ALPHA the Model Name Charger Lock On Inside the BB ALPHA the bearings have been moved further out in the cup allowing the incredibly stiff POM plastic dust covers to now sit flush with the outer edge of the cup making it increasingly difficult for debris to penetrate the dust cover and contaminate the bearing Refresh your fork with a color matching decal kit Features a weight saving 4 bolt design with a BCD of 110 mm Ring Position Type Outer Tooth Count 53 Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Size 53T This Shimano chainring allows you to update your Dura Ace FC R9100 11 speed crankset with a chainring configuration to best fit your riding style