The successor to the legendary Strada Bianca Premium handmade glued racing tire with galuska properties for use on gravel, hard unpaved surfaces, cobbles, etc. Bonded tread based on natural rubber Smart= low rolling resistance and excellent adhesion Super Poly material provides excellent performance and comfort Kevlar Bead PPS Ganzo puncture protection Use only with rims with groove - Hooked 260 TPI Best handling characteristics 1.5,-3.0Bar 350 g