Brand: Bridgestone Model: Potenza RE97AS RFT Size: 225-50R18 225/50-18 225/50R18 225/50/18 225-50-18 225 50 18 2255018 Tread Depth: 10/32 Treadlife: 40,000 miles Season: All Season Performance: Performance Car Type: Passenger Load and Speed Rating: 94V Speed Rating Description: Speed Rated Up to 149 mph Section Width: 225 Aspect Ratio: 50 Rim Diameter: 18 Production Year (DOT): N/A