The Pirelli P Zero Velo Tub 700x25c Tubular Road Tyre is the result of several months of intensive development work of the R&D department of Pirelli with World Tour PRO cyclists and mechanics. All the elements of the final version of Pirelli P Zero Velo Tub has been tested, modified and tuned on that environment: built on the finest 320tpi Corespun with aramid reinforced casing, latex inner tube for improved weight, rolling and puncture protection; Yellow Soft compound for uncompromising grip and handling performances. The Pirelli P Zero Velo Tub 700x25c Tubular Road Tyre is a ready-to-race handmade tubular tyre and is perfect for Granfondo racing as well as shorter high-paced races, while also being a solid and reliable tyre for everyday riding. Pirelli P Zero Velo Tub 700x25c Tubular Road Tyre Features World class grip performance Latest tubular technology Approved by World Tour PRO riders and mechanics Winning tubular for amateurs and passionate cyclists Racing feeling and speed 48mm RVC valve