Ohtsu FP7000 All-Season Radial Tire - 225/45R18 91W A non-directional tread design offers excellent all-season performance, smooth ride, and multiple rotation patterns to help reduce irregular wear. Tread wear indicators provide the driver with visual cues to help maximize tire life. Variable shoulder tread block design helps reduce tread noise, providing a smooth, quiet ride. High volume circumferential grooves deliver increased hydroplane resistance for improved wet weather performance. Dual steel belts offer greater tread rigidity, increased structural strength, and superior grip. Belt cap improves high speed stability and handling.