Shimano GRX FC-RX820 48-31T 170mm Crankset
$256.99
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.
Features
- 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
- Hollowtech crank arm
Technical 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
- Crank arm length (mm): 170
- Recommended bottom bracket|Threaded (normal): SM-BBR60
- Recommended bottom bracket|Press-Fit: SM-BB72
- Threaded bottom bracket shell width (mm): 68/70
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