Pirelli P ZERO Race SL-R TLR Road Tire 700x30C Folding Tubeless Ready SmartEVO2 LiteCore PAAS 120TPI BlackP ZERO Race SL R is the latest and most advanced tire in the P ZERO Race road racing range. Developed with pure speed in mind, it has been engineered with aerodynamic optimization features (PAAS), featuring patent pending technologies designed to reduce flow separation and maximize the rim sailing effect ultimately lowering overall aerodynamic drag. Made in Italy with its slick design, fine tuned micro texture and integrated aero features, P ZERO Race