Shimano Black Shimano GRX RX820 hollowtech crankset 2025

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.
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
Compatible chain: HG 12-speed
Chain line: 47 mm
P.C.D.: 110/80 mm
Spider/gear arms: 4
Chainring combination: 48-31T
Q-factor: 151 mm
Crank arm length: 175 mm
HOLLOWTECH crank arm
Compatible bottom bracket type
Recommended bottom bracket: Threaded (normal): SM-BBR60; Press-Fit: SM-BB72
Average weight: 710 g