ENVE Hex Gravel Tyre 700c Tubeless readyThe HEX gravel tire combines the elements required for those seeking a performance option that doesnt sacrifice traction. A novel tread design features hexagonal blocks that allow a three way flex pattern to add suppleness to the casing, a The HEX gravel tire combines the elements required for those seeking a performance option that doesnt sacrifice traction. A novel tread design features hexagonal blocks that allow a three way flex pattern to add