Available in 29 sizes in 15–19 in. rim diameters, Potenza RE-71R Ultra High Performance Tires offer speed ratings V and W, and carry Uniform Tire Quality Grade rating of 200 AA. Tread pattern has wide center rib that makes tires highly responsive in extreme driving circumstances. Design features maximum shoulder stiffness and provides constant rubber-to-road contact in sharp turns. With wide circumferential grooves and angled directional pattern, tires offer effective drainage in wet conditions.