Years of top-level racing expertise deliver the crowning jewel. The P Zero Velo sets a new standard in bicycle clincher performance. At its core, the patented Pirelli SmartNET Silica® which provides superior grip in both dry and wet conditions, as well as unparalleled puncture resistance and mileage longevity. The rubber belt, the design of its pattern and the cross section all are at the heart of the performances of a tyre: the contact point between the ground and the bicycle. It is made of a mix of carefully selected and balanced chemical elements and engineered grooves, that greatly contribute to the tyre's outstanding performance. Made from our innovative SmartNET™ Silica and ICS and FGD technologies, it provides all-round cycling excellence. Pirelli P Zero Velo Features Low rolling resistance Dry & wet grip, Supreme comfort Puncture protection Mileage longevity Superior handling for extreme safety feeling Tyre Specification Size: 700x23c/25c/28c TPI: 127 PSI: 100+ Bead: Folding Compound: Smartnet Silica Puncture Protection: Aramid Fibre Tech: ICS, PFD Weight: 195g/205g/230g Pirelli P Zero Velo Size Options   MPN Size ETRTO TPI Bead Weight (g) Compound Puncture Protection PSI Tech Color Option 1 PIR-2908700 700 x 23c 23-622 127 Folding 165g Snartnet Silica