Description
Optimal gearing for spirited group rides and aggressive racing
The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 48-31T chainring and comes in 170, 172.5, and 175 mm crank arm lengths.
- Smaller gear steps for cadence control on mixed-terrain riding
- Gravel-optimized gear ratios preserve riding rhythm on rough surfaces
- Wider gear range
- 17T range covers array of riding conditions
- Gear combination: 48-31T
SPECIFICATIONS
| model no | FC-RX820-2 |
| series | GRX 12-speed |
| average weight | 710 |
| rear speeds | 12 |
| compatible chain | HG 12-speed |
| chain line (mm) | 47 |
| p.c.d. (mm) | 110/80 |
| spider/gear arms | 4 |
| chainring combination | 48-31T |
| q-factor (mm) | 151 |