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
- 40t inner chainring is for use with 54t outer chainring
- Material: Aluminum
- Round or Oval: Round
- Color: Black
- Tooth Count: 40
- Ring Position/Type: Inner
- Drivetrain Speeds: 12
- Defined Color: Black
- Chainring BCD: 110 Shimano Asymmetric
