Featuring an advanced Graphene + Silica compound specifically designed to provide unparalleled efficiency, Corsa PRO Speed maximizes speed, grip, and control ensuring faster times and smoother rides. Whether you're a professional racer or amateur racer, the Corsa PRO Speed is made 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, the ultra-supple Corespun 320 TPI cotton casing - Vittoria's finest - 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.