Vittoria Terreno T50 Mixed Tire - 700 x 45 Tubeless Folding Brown Gravel Endurance Graphene G2.0Vittoria Terreno T50 Mixed Tire 700 x 45 Tubeless Folding Brown Gravel Endurance Graphene G2. 0. The Terreno T50 Mixed Gravel Endurance tire sitting between the Terreno Dry and the Mezcal features a versatile tread design with new directional siping texture making it a great option for a wide range of terrains with capable cornering lugs for enhanced control and confidence. The endurance casing is engineered for high adaptability and strength