EXT combines Vittorias peerless knowledge of racing performance with the durability of a long-lasting nylon casing that uses a unique Silica and Graphene compound for improved rolling efficiency grip and longer wear-life. To increase puncture protection the central section of the casing features 3 layers of nylon as well as an additional puncture protection belt. Corsa N.EXT is the first road racing tire to feature a QR Code - printed on the tire hot patch - for easy access to useful technical information about the tire.Racing inspired speed and feel with the everyday durability of nylon constructionNew combination of Silica and Graphene compound for improved rolling efficiency grip and longer wear-lifeNylon casing provides durability for daily racers who want to raise the bar of their performance relying on a long-lasting tireProven tread design used by Vittoria teams in the World Tour