SHIMANO GRX RX820 Crank Set - 1 x 12-Speed - 40t - 170mm giant 12° flare angle

12° flare angle

Stem:  50mm Length

BioViz® reflective elements for low light visibility

Compatible with HG 12-speed chain

The universal mounting system fits nearly any crossbars you can think of

SHIMANO GRX RX820 Crank Set - 1 x 12-Speed - 40t - 170mm giant 12° flare angleThe 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