P Zeroâ„¢ Race 4S 700C x 28 Road Tyre.Size:700C / 28.P ZERO™ Race 4S is the sucessor of the famous P ZERO™ Velo 4S:a further evolution of our best-selling all-season tyre.The new SmartEVO Compound enhances performance on wet and cold tarmac, while the new TechBELT construction continues to provide the handling and racing feeling that made the P ZERO™ family famouns all over the world.A slightly thicker tread improves the mileage of the tyre, making it the ideal solution to cycle in every season without giving up on its racing soul.Compound, Casing, Technologies:- What´s the secret to our tyres Let´s take a look at some of the motorsport-derived technologies applied to our cycling tyres.Compound Smartevo Compound:- So far the most advanced racing chemical formulation for road use, it was born from the Motorsport experience of Pirelli and the collaboration with the factory World Tour teams.The new SmartEVO Compound features a single-compound formulation based on three different polymers, each of which provides opposite performances in a perfec blend.The advanced mixture of polymers with ´smart´ behaviors are the key elements of the SmartEVO Compound, providing better grip and rolling resistance in any weather condition.The SmartEVO Compound is an high-performance chemical formulation developed for modern road cycling, from everyday training to World Tour racing.SmartEVO Compound is an exclusive feature of the P ZERO™ range.Features:- ALL-SEASON.- HANDLING.- GRIP.Specifications:- Size:26-622.- Weight:240.- Casing:120 Tpi.- Anti-puncture:Techbelt Road.