These Shimano GRX RX820-2 anodized aluminum chainrings are for specifically designed for use with GRX FC-RX820-2 2x 12-speed cranksets.
| Ring Position/Type |
Inner |
| Tooth Count |
31 |
| Drivetrain Speeds |
12 |
| Round or Oval |
Round |
| Chainring BCD |
80 |
| Material |
Aluminum |
| Color |
Black |
| Weight |
40 |
| Defined Color |
Black |
| Number of Bolt Holes |
4-Bolt |