Offering best-in-class performance, the Roadsmart IV from Dunlop delivers everything you need from a sport touring tire. Improved tread patterns, construction, compounds and profiles increase ride comfort, grip and mileage that maintains high-performance throughout the tire's lifespan. Front and rear compounds with Hi Silica X and Fine Carbon increase wet grip and stopping performance. Sidewall construction improves wet and dry handling and comfort. MT Multi-Tread technology in the rear tire uses a long-wearing compound in the center, and special lateral compounds on the shoulders for outstanding grip. 23% to 26% more mileage, compared to the Roadsmart III. 190/50ZR17, Radial, Rear, (73W)