●THE CHOICE OF WORLD TOUR RIDERS ●Improved grip and puncture resistance in rainy weather while still being faster. Graphene + Silica compound ensures speed and reliability in a variety of road conditions for ultimate control ●The time-tested cotton casing material is wrapped in innovative new manufacturing processes to create a new standard for performance road tires for racing ●Weight: 9.8 oz (285 g) ●Material: Corespun K 320 TPI / Compound: Graphene + Silica