Shimano GRX FC-RX820-2 170mm 48/31T 12-Speed Hollowtech II Crankset Black

The Shimano FC-RX820 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding.

• Gravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces
• The 17t range covers an array of riding conditions
• Smaller gear steps for cadence control on mixed-terrain riding
• Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings
• Compatible with HG 12-speed chains
• 47mm chainline
• 151mm Q-factor

• Color: Black
• Rings: 48/31
• Number of Chainrings: Double
• Crank Length (mm): 170
• Crank Intended Use: Gravel
• Drivetrain Speeds: 12
• Weight: 710
• BB Included: No
• Pedal Spindle: 9/16"
• Spindle Interface Type: Shimano Hollowtech II
• Chainring BCD: 110 Shimano Asymmetric
• Chainring BCD: 80
• Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
• Defined Color: Black