The Specialized Turbo Cotton Performance Road Tyre uses Specialized’s class leading GRIPTON compound combined with an ultra-supple 320 TPI cotton casing, to give a very special tyre. Both materials stand for master craftsmanship, & they work in harmony to reflect Specialized’s dedication to building the world's fastest tyres. By bringing both of these materials together, Specialized have created one of the best clincher tyres out there. It provides a clear-cut performance advantage. Features· Casing: 320 TPI Polycotton· Bead: Foldable· Compound: GRIPTON®· Flat Protection: Black Belt· 700 x 24mm, psi 115-125, approximate weight 220g· 700 x 26mm, psi 95-115, approximate weight 240g