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 carcass. All-new profile for predictable steering, braking and acceleration. Tire Specifications: Position: Rear. Load / speed index: 25J. Ply rating: 4-ply. Outer diameter (inches): 18. Section width (inches): 10. Maximum load (pounds): 210. Maximum PSI: 5. Tread depth (mm): 12. Weight (pounds): 12.