Vittoria Terreno Zero TNT G2.0 TLR Gravel Tyre - 700 x 38cVittoria Terreno Zero TNT G2. 0 TLR Gravel Tyre The tubeless ready Vittoria Terreno Zero G2. 0 TNT Gravel Clincher Tyre has a smooth, low rolling resistance centre line, with a scale type tread on the shoulders for added cornering traction. The three rubber compounds used in the 3C construction enables Vittoria to optimise the properties needed by each different area for a tyre that is fast, durable and grippy at the same time. The added sidewall