Vittoria Corsa Pro Speed Tire - 700 x 29 Tubeless Folding Black/Para G2.0Vittoria Corsa Pro Speed Tire 700 x 29 Tubeless Folding Black Para G2. 0. This 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 grip320 TPI Corespun cotton casing