Brand: Barkley Model: Trackstar UHP Size: 225-45R18 225/45-18 225/45R18 225/45/18 225-45-18 225 45 18 2254518 Tread Depth: N/A Treadlife: 45,000 miles Season: Summer Performance: High Performance Car Type: Passenger Load and Speed Rating: 91W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 225 Aspect Ratio: 45 Rim Diameter: 18 Production Year (DOT): N/A