Vittoria Terreno Zero Gravel G2 Tyre - 29 Inch - 2.0 Inch - Yes - 4C Graphene 2.0 - Gravel TNT - Hard - Light Duty Protection - Folding - BlackThe reinforced tyre for fast gravel. Extremely fast, extremely durable, extremely stable choose all three. The Terreno Zero Endurance tyre combines the speed of the road racing Corsa with the stabilising grip of the Terreno Dry gravel tyre and the added protection of 360 degree puncture resistance. On hard, dry surfaces, well groomed gravel, and routes that mix road and gravel sections, no tyre is faster and more reliable.