Whether you're a professional racer or amateur racer, the Vittoria Corsa Pro Speed road tire is designed to enhance your riding experience and achieve your best performance in Time Trial and Triathlon use. By seamlessly tapering the tread into the sidewall, the Corsa PRO Speed construction combines the Graphene + Silica compound, ultra-supple cotton casing, and updated tread pattern, all electrically cured to minimize rolling resistance. The results of internal testing show an improvement in rolling performance of 5%, with 2% savings in weight.