Pirelli P ZERO Race RS TLR Retro Size:700x32c OneStar compound helps to achieve tires OneStar compound helps to achieve an extremely low rolling resistance for those who prefer a more upright sitting position and those who often use the lower part of the handlebars P ZERO Race TLR 28 622 and P ZERO Race TLR 30 622 are compatible with hookless rims according to ETRTO 5 bar 73 psi max pressure limitations The TechWALL+ Road carcass improves reliability against punctures without affecting the weight of the tyre while the special SmartEVO Compound enhances the grip performances both on wet and dry asphalt compared to our previous cycling compounds