Shimano Dura-Ace 9000 53t 110mm 11-Speed Chainring for 39/53t Model Name-SLC30-H Thumb Shifter Multi-facet nano knobs provide additional

Multi-facet nano knobs provide additional traction on tire shoulders Color Black Defined Color Black ISO Diameter 451/ 20 x 1-1/8"

Front derailleurSRAM Rival AXS D1

EASY SHOCK ACCESS

Combo lock: features user resettable 4 digit combination

Square taper

Shimano Dura-Ace 9000 53t 110mm 11-Speed Chainring for 39/53t Model Name-SLC30-H Thumb Shifter Multi-facet nano knobs provide additionalThis Shimano chainring allows you to update your Dura Ace FC 9000 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 Ideal for road cycling Ring Position Type Outer Tooth