Brand: Blackhawk Model: Agility SUV Size: 275-40R21 275/40-21 275/40R21 275/40/21 275-40-21 275 40 21 2754021 Tread Depth: 10/32 Treadlife: 60,000 miles Season: All Season Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 107W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 275 Aspect Ratio: 40 Rim Diameter: 21 Production Year (DOT): N/A