Vittoria Terreno XC Race Tire - 29 x 2.40, Tubeless, Folding, Black/Brown, Race Graphene + SilicaThe Terreno XC Race tire features a revolutionary fish scale tread pattern that rolls smoothly on straightaways and bites while cornering and braking, and the gradual transition from the center strip to the shoulder knobs takes the awkward bum up out of cornering. The Terreno XC Race brings Gravel World Championship technology to your mountain bike. Race Formulation: Graphene + Silica Compound provdes speed and grip without compromise. Designed to be