Brand: Nexen Model: N'Fera Sport Size: 255-40R20 255/40-20 255/40R20 255/40/20 255-40-20 255 40 20 2554020 Tread Depth: N/A Treadlife: N/A Season: Summer Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 101Y Speed Rating Description: Speed Rated Up to 186 mph Section Width: 255 Aspect Ratio: 40 Rim Diameter: 20 Production Year (DOT): N/A