Shimano GRX FC-RX820-1 Crankset - 175mm, 12-Speed, 40t, 110 BCD, Hollowtech II, 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. Riders can choose closer gear steps or ultimate range depending on personal need by pairing a 10-45t or 10-51t cassette with 40t or 42t chainring (cassettes and 42t chainring sold separately) Optimal gearing for mixed-terrain riding Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings Compatible with HG 12-speed chains 49.7mm chainline 151mm Q-factor Item Specifications BB Included No Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Chainring BCD 110 Shimano Asymmetric Color Black Crank Intended Use Gravel Crank Length (mm) 175 Defined Color Black Drivetrain Speeds 12 Number of Chainrings Single Pedal Spindle 9/16" Rings 40 Spindle Interface Type Shimano Hollowtech II Weight 644 Shimano GRX FC-RX820 Crankset Crankset UPC: 192790242187