The Vittoria Terreno Zero Gravel Tyre features a Corsa inspired tread design, for paved surfaces and hard-packed gravel. The smooth Corsa inspired centre rolls fast, while the side tread scales provide durable bite when cornering and braking. Features: -- Material: Nylon 20 TPI -- Compound: 1C -- Discipline: GRAVEL / CYCLOCROSS -- Bead: Folding -- Colour: Black -- Size : 700 x 37c -- ETRTO: 40-622 This tyre is designed for paved surfaces and hard-pack terrains. The side tread scales provide dependable bite through corners, and when braking.