Shimano GRX FC-RX820-2 Crankset - 12-Speed 48/31t 110/80 BCD Hollowtech II

We’re a mission-driven bike shop based in Colorado. Every sale helps refurbish and donate bikes to those in need through Bicycles for Humanity Colorado. Each item has been professionally inspected, thoroughly cleaned, carefully refurbished, and is ready for immediate use.

Shimano GRX FC-RX820-2 Crankset - 12-Speed 48/31t 110/80 BCD Hollowtech II

Conquer mixed terrain with confidence. The GRX FC-RX820-2 pairs a 48/31t gear range with a stiff Hollowtech II spindle, delivering clean, consistent shifts and solid power transfer on gravel climbs and backcountry routes. Built to endure long days on unpaved roads, it keeps your cadence smooth when the route heads off-road.

Who is this for?

Ideal for gravel riders, bikepackers, and adventure enthusiasts who demand reliable shifting, durable construction, and a wide gear range for varied terrain. If you crave long miles on mixed surfaces without worrying about performance, this crankset is for you.

specifications	details
Number of Chainrings	Double
Chainring Configuration	48/31T
Drivetrain Speeds	12-Speed
Crank Intended Use	Gravel
Spindle Interface Type	Shimano Hollowtech II
Chainring BCD	110/80 mm Asymmetric
Chainline/Hub Compatibility	135/142 Road Disc Hubs > 415 mm Chainstay
Pedal Spindle	9/16"
BB Included	No
Weight	710g (approximate)

Each item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!

Number of Chainrings	Double
Chainring Configuration	48/31T
Drivetrain Speeds	12-Speed
Crank Intended Use	Gravel
Spindle Interface Type	Shimano Hollowtech II
Chainring BCD	110/80 mm Asymmetric
Chainline/Hub Compatibility	135/142 Road Disc Hubs > 415 mm Chainstay
Pedal Spindle	9/16"
BB Included	No
Weight	710g (approximate)