Pirelli, P ZERO Velo Tubular, Road Tire, 700x28C, Tubular, YellowSOFT, TechBELT, 300TPI, BlackP Zero Velo TUB brings the handling and cornering behavior Pirelli is famous for to the finest handmade tubular construction. It was developed on the fields of World Tour racing and in its debut year it already is a winner of a grand tour. Now available for your own. Corespun 320tpi w aramid reinforced casing. Anti puncture belt under the tread. Latex inner tube for better weight, rolling and anti puncture. Soft yellow compund for racing usage.