SHIMANO GRX RX820 Crank Set - 1 x 12-Speed - 40t - 170mm

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 this crankset's 40t chainring (cassettes 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