Vittoria Corsa Pro Speed Tire - 700 x 29, Tubeless, Folding, Black/Para, G2.0This race day specific weapon has raised the bar on tire technology. The Corsa Pro Speed uses a proprietary Graphene compound, which is then paired with an ultra fine Corespun T casing. The end result is a tire that maintains the lowest rolling resistance, while still providing the trademark Corsa suppleness, and outstanding wet weather grip 320 TPI Corespun cotton casing Proprietary Graphene + Silca compound to provide speed and grip without