- This Vittoria Terreno Zero features 3 compounds in the tread (3C) to enhance wear life and improve grip. Its smooth center tread, inspired by the Corsa, reduces rolling resistance. With a functionalized GRAPHENE 2.0 compound, this gravel tire delivers unparalleled performance. It is designed for use on paved surfaces and hard-pack terrains. Additionally, its side tread includes "scales" for reliable cornering and braking.