Shimano FC RX820 GRX Chainset Single 12 speed Hollowtech II

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Rigid arm construction helps maintain alignment under load, giving riders a direct feel during climbs and accelerations Crankset 12-Speed compatibility makes replacement planning easier for workshop builds, upgrades or routine drivetrain servicing Tooth configuration is tuned for smooth cadence changes, helping keep momentum across mixed terrain and varied riding speeds Durable finishing helps resist everyday wear, keeping the component suitable for regular road, gravel or MTB use 12-Speed drivetrain layout supports efficient power transfer, stable pedalling and dependable chain engagement, Manufacturer: SHIMANO

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The SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainring, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175mm crank arm lengths, adding an additional level of customization.FEATURESOptimal gearing for mixed-terrain riding10-45T and 10-51T cassette options serve array of riding styles 42T and 40T chainrings available