Shimano GRX FC-RX820-1 12 Speed Chainring MTB 0 Compound: Vittoria’s unique Graphene

0 Compound: Vittoria’s unique Graphene compound is superior in rolling performance

The shorts feature a secure rear zip pocket

and all tools are coated with SILCA's unique high-grip chrome plating which provides better torque transfer at the bolt interface

FeaturesGravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces

Reduces metal to metal contact

Shimano GRX FC-RX820-1 12 Speed Chainring MTB 0 Compound: Vittoria’s unique GrapheneWide array of options delivers optimal gravel gearing for variety of riders. The SHIMANO FC RX820 1 chainring balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed terrain riding. By pairing a 10 45T or 10 51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. Features Optimal gearing for mixed terrain riding 42T and 40T chainrings available