Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ ModelNumber=K0274 9" x 4" inner dimensions

9" x 4" inner dimensions

get personalized coaching that adapts to your current training load and recovery when riding with a compatible power meter and heart rate monitor

Color Black Lower Stack Height 1 Bearing Type Cartridge Crown Race 30 Weight 124 Defined Color Black Upper Stack Height 15 S

A slightly thicker tread improves the mileage of the tire

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ ModelNumber=K0274 9" x 4" inner dimensionsShimano Dura Ace FC R9200 chainrings are constructed with high quality aluminum and are compatible with FC R9200 and FC 9200 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains Color Black Ring Position Type Inner Tooth Count 40 Round or Oval Round Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Size 40T