Brand: GT Radial Model: Champiro SX2 Size: 235-40R18 235/40-18 235/40R18 235/40/18 235-40-18 235 40 18 2354018 Tread Depth: 8/32 Treadlife: N/A Season: Summer Performance: High Performance Car Type: Racing Load and Speed Rating: 91W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 235 Aspect Ratio: 40 Rim Diameter: 18 Production Year (DOT): N/A