Escapahas all the replacement parts and components you need to keep your bike running smoothly.TheShimano Dura-Ace Inner Chainring for FC-R9200/FC-R9200-P is a genuine Shimano replacement part for 2x12-speed drivetrains.

Specifications:

Hollowglide

Mounting: 4-bolt

BCD: 110 mm

Teeth: 36T / 40T

Rear speeds: 12

Compatible with cranksets: FC-09, FC-R9200, FC-R9200-P, FC-R9200-PX