Rutland Durable V1Description The Teravail Rutland V1 Tire in the Durable casing is the original generation of Teravails aggressive gravel platform, designed for riders pushing into rougher roads, loose terrain, and unpredictable conditions where traction and reliability matter most. This Gen1 version combines a tightly packed center tread for controlled rolling speed with larger, more pronounced side knobs that add grip and confidence when surfaces become soft,