Enhanced constructions, profiles, compounds and tread patterns allows the Q5S to provide lighter and nimbler handling and improved dry and wet grip to make it even more user-friendly all while maintaining class-leading durability Intuitive Response ProfileÖ (IRP) technology allows greater latitude in line choice while cornering, plus amazingly linear steering Optimized tread pattern design aids in quicker warm-up times and improved wear characteristics Updated front and rear compounds off improved grip and warm-up times. TIRE Q5S 200/55ZR17 (78W)