Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t Model-Lyrik every chainring is unique and

every chainring is unique and color may vary

Direct-Inject: Coreless design for no-fuss injection of sealant

Waterproof Yes Color Steel Volume 2L Bag Attachment Velcro Primary Color Blue

6 Stanchion Diameter 32 Steerer Tube Length (mm) 245 Steerer Type Straight Travel (mm) 100 Weight 2058 Wheel Size 29"

Headlamp powers ON with ignition switch

Shimano Dura-Ace R9100 53t 110mm 11-Speed Chainring for 39/53t Model-Lyrik every chainring is unique andShimano Dura Ace R9100 53t 110mm 11 Speed Chainring for 39 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. 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