700c clincher tire. The Rubino Pro Slick II has Twin Tread technology with the benchmark set at 150 tpi Kevlar Carcassa casing meaning lower rolling resistance and unrivaled reliability. Made with the new Kevlar Endura 3D Compound with high duration exciting road-behavior (PRB) for puncture protection grip low rolling resistance and high-mileage. Handmade. 145 max psi. 215 grams.