Vittoria CORSA G2.0 CLINCHER (Corsa G2.0 Clincher) Road Tire Black Tire Side: Amber Color Set of 2 [Domestic Authorized Distributor Product] (700 x 23C)Specifications: Weight per clincher (catalog value),. 245g (700 x 23C) 255g (700 x 25C) Set of 2 Domestic authorized distributor product (not a parallel import product) The cotton casing adapts to the road surface for a smoother ride, lighter rolling and better grip. Vittoria's high performance clincher tire features fast speed thanks to the functional Graphene 2. 0 compound, and improved wear resistance, rolling resistance, and side grip thanks to