Shimano GRX 12 Speed Crankset - 48/31 FC-RX820 - 2

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

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

First, you'll get 10% in store credit to use towards future purchases.

Our prices match the prices you might see on any brand's website, and our delivery times are roughly the same as theirs.

Also, when you purchase through us, you get:

• Advice on whether the bike or product suits your needs.
• A professional build for all bikes, which ensures safety. If there is an issue, we can promise you that 99 out of 100 times, it will be resolved quicker than you can in your garage.
• A build history that becomes a service history, ideally. That can be very helpful if you do have any sort of warranty issue.
• Warranty support - Just contact us and we will guide you through the process.