Maximum load (pounds): 160. Maximum PSI: 5. Tread depth (mm): 12. Weight (pounds): 9. Optimized tread spacing designed for all sports and race ATV applications.Unique race compound delivers superior traction while extending tread life.Laboratory tested and competition-proven in the most demanding conditions.Non-directional 6-ply-rated carc Load / speed index: 17F. Ply rating: 4-ply. Outer diameter (inches): 20. Section width (inches): 6.