Brand: Mastertrack Model: UN-203 Size: 175-80R13 175/80-13 175/80R13 175/80/13 175-80-13 175 80 13 1758013 Tread Depth: 9/32 Treadlife: N/A Season: All Season Performance: Highway Car Type: Trailer Load and Speed Rating: 91/87M Speed Rating Description: Speed Rated Up to 81 mph Section Width: 175 Aspect Ratio: 80 Rim Diameter: 13 Production Year (DOT): N/A