Vittoria Corsa Graphene 2.0 Black Road Tire 700x23-25-28-30The Corsa has been the number one choice for professional racing teams for many years. This version features the latest combination of Graphene Composite 2.0 along with the 4C and the reinforced Corespun-K shell. Vittoria Corsa Graphene 2.0 Black Road Tire 700x23-25-28-30The Corsa has been the number one choice for professional racing teams for many years.This version features the latest combination of Graphene Composite 2.0 along with the 4C and the reinforced Corespun-K shell.Characteristics:● Graphene Compound 2.0: Vittoria's unique graphene compound is superior in rolling performance, grip, traction and longevity. This compound provides the performance benefits required for a consistent and competitive race start. The original graphene compound raised the bar for performance evenly across disciplines, while Graphene 2.0 improved speed, grip, durability, and puncture resistance.  ● Compound 4C: Developed exclusively by Vittoria achieves high-end performance. The 4C is a layering process that uses 4 separate rubber compounds within the same tread. The 4C construction provides unmatched versatility in both the center and sides of the tread. The finished product has been extensively tested to ensure it meets the level of competition that road riders demand, providing better rolling efficiency, better grip and puncture protection.● Corespun-K 320 TPI shell: The premium cotton shell adapts perfectly to the road surface, generating a smoother and more comfortable ride, greater rolling and better grip.● Size: ETRTO 23-622, 25-622, 28-622 and 30-622● Tire type: road● Weight: 245g (23mm), 255g (25mm), 270g (28mm)Reference: 23CG2N