Nokian ZLINE Performance Radial Tire - 225/50ZR17 98Y The sporty Nokian zLine is a professional in demanding driving conditions Features Hydro Grooves which is an innovation that effectively prevents aquaplaning by storing water from between the surface and the tire by guiding the water into the longitudinal grooves The rubber compound represents the latest in technological developments: it works in an exemplary manner in a wide range of temperatures, maximizing wet grip. At the same time, it reduces heat generation while driving, thereby improving wear resistance The Nokian Intelligent UHP Silica tread compound was specially tailored for demanding use at higher speeds.