Brand: Continental Model: PremiumContact 6 SSR Size: 275-40R21 275/40-21 275/40R21 275/40/21 275-40-21 275 40 21 2754021 Tread Depth: 8/32 Treadlife: N/A Season: Summer Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 107Y Speed Rating Description: Speed Rated Up to 186 mph Section Width: 275 Aspect Ratio: 40 Rim Diameter: 21 Production Year (DOT): N/A