Brand: Groundspeed Model: Voyager HP Size: 245-45R18 245/45-18 245/45R18 245/45/18 245-45-18 245 45 18 2454518 Tread Depth: 8/32 Treadlife: N/A Season: All Season Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 100Y Speed Rating Description: Speed Rated Up to 186 mph Section Width: 245 Aspect Ratio: 45 Rim Diameter: 18 Production Year (DOT): N/A