MX / Off-road - Extreme Enduro FIM approved. Super-soft and flexible for ultimate terrain compliance and grip. Compound provides highest traction in both wet and dry conditions. Reversible rear for variable terrain applications. Available in super wide rear and three other popular sizes. Tire Specifications: Speed/load rating: 4. Overall diameter (inches): 28.00. Section width (inches): 4.00. Maximum load (pounds): 467 @ 33 PSI. Tread depth (mm): 12.00. Weight (pounds): 9.00. Construction: Tube type.