Description
Description
The SHIMANO FC-RX820-2 combines weight savings and optimized efficiency for mixed terrain riding and racing. The gear ratio options with two chainrings are tailored to the different requirements of gravel riding, while maintaining the tighter gear steps needed to maintain position in the field. The 2x12-speed crankset is available in the chainring combination 48-31T and in the crank arm lengths 170, 172.5 and 175 mm.
Gear ratio tailored to gravel for a consistent cadence even on rough surfaces
Gradation: 48-31T
| Range of use | Gravel |
| Gradation | 48x31 |
| Shaft mount | Hollowtech II |
| color | black |
| Gears | 2x12 |
| groupset | GRX |
| chainline | 47 mm |
| Compatible chain | HG 12-speed |
| Abbreviation | FC-RX820 |
| Crank length | 172.5 mm |
| Part no. | IFCRX8202DX81 |
| Model year | 2024 |
| Product type | Crankset |
| Q-factor | 151 mm |
| Bottom bracket | without SM-BBR60 / SM-BB72 |
| Ø bolt circle | 110/80 mm |
- Series: grx
- Mounting: Hollowtech II
- Chainring assembly: 4 Loch
- Crank length in mm: 172.5
- Graduation 2/3x drive: 48x31
