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efficiency
thus giving it more strength
Key Features
This integrated system delivers the power and engagement required to take on everything from steep climbs to all out racing
Lumina Series
Shimano GRX FC-RX820-2 2x Crankset Choose:48-31t efficiencyThe 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.
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