Pirelli P Zero Race 4S 700c Tire Where Rubber Meets the Road P Zero Race 4S is the successor to the famous P Zero Velo 4S, a further evolution of Pirelli's best-selling all-season tire. Its Smart EVO compound blends three different polymers to achieve an optimal balance of grip and rolling resistance, delivering consistent grip in all weather conditions so you can keep racing and training through the changing seasons. Features Smart EVO compound blends three different polymers for an optimal balance of grip and rolling resistance Siped tread pattern molded into the shoulders helps the tire deform and hold onto lower-grip surfaces Tech BELT Road casing with 120 TPI and a nylon breaker provides reliable puncture protection All-season, four-season design delivers consistent grip and handling through changing conditions Made in Italy to Pirelli's exacting race-derived standards SPECIFICATIONSIntended Use Road Cycling, All-Season Training and Racing Casing Tech BELT Road, 120 TPICompound Smart EVOBead Folding (clincher, tube-type)SPECIFICATIONSModel Size Weight P ZERO(TM) Race 4S26-622226g P ZERO(TM) Race 4S28-622252g P ZERO(TM) Race 4S30-622278g | Pirelli | P Zero Race 4S 700C Tire 700X28, 127 Tpi, Smartevo | Nylon