Shimano 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
- Aluminum with anodized finish provides durability and light weight
- Hollowglide technology provides high rigidity and cuts down on weight while maintaining strength
- Offers better power transfer and quicker, more precise front shifting
- 54t outer chainring is for use with 40t inner chainring