Vittoria Corsa G+ Road Tire G+ compound adds graphene to the tire rubber for better wear life and puncture resistance, as well as less rolling resistance and superior corning grip 4C four-compound layup gives you four different rubber compounds for different handling properties Aramid-kevlar-cotton weave casing provides a super supple and puncture resistant ride Open tubular tire combines the handling of a tubular and the convenience of a clincher