Designed for high speeds and providing minimal rolling resistance and aero drag, this is the fastest and most performing tyre in the P Zero™ Velo family. With Pirelli SmartNET™ Silica compound delivering outstanding grip. Designed for breathtaking speed, while reducing both rolling resistance and aero drag, this is the fastest and most performing tyre in the P Zero Velo family. With Pirelli's patented SmartNET Silica® compound providing outstanding grip you can push this tyre in race conditions like no other race tyre, you can confidently ride this clincher when challenging your own speed records, on wet and dry. 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 TT Features The fastest of the range: 23mm profile to minimize aerodynamic drag force. Superior handling for extreme cornering. Best in category wet handling Low Noise Tyre Specification Size: 700x23c TPI: 127 PSI: 100+ Bead: Folding Compound: Smartnet Silica Tech: ICS, PFD Weight: 165g 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