This updated version makes it easier than ever to experience the benefits of riding tubeless

04-06 composite mountain frames

Sealed Cartridge bearings

The one wheel for just about everything

Anti-drop design reduces possibility of chain drop

SHIMANO GRX RX820 Crank Set - 1 x 12-Speed - 40t - 170mm wahoopromo This updated version makes itThe 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