Pirelli P Zero Velo Tubular Tire *CLEAR OUT* Size:28" 25 This 1x specific unit is strong Ridley This 1x specific unit is strong and made to endure it all The project took a fascinating turn from the world of IndyCar when josh was introduced to a group that had developed a technology to put micro scale wax powders into a solution that was quick drying and forms a coating that is indiscernible from hot melt dipping P Zero Velo TUB brings the handling and cornering behaviour 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