The Corsa has been the race-day choice of pros for years, and is now better than ever with 4C Graphene compound technology! The latest Corsa is an evolution of the brand, and brings multiple industry-first technologies to market. Starting with our supple yet durable 320 TPI Corespun-K reinforced casing, and adding a proprietary mix of 4 different Graphene compounds, the new Corsa achieves the holy grail of performance: speed, suppleness, durability, and reliability. Whether winning a Grand Tour, or a local crit, the Corsa family delivers world class performance 4 compounds in the tread (4C) for increased wear life, lower resistance and improved grip on the sides GRAPHENE 2.0 compound allows for higher speed Premium cotton casing conforms closer to the roads surface, providing a smoother ride, easier rolling, and better grip Features: Material: Corespun K 320 TPI Compound: 4C Graphene 2.0 Discipline: ROAD COMPETITION RACE Bead: Folding/TLR