Maximum load (pounds): 506 @ 20 PSI. Tread depth (mm): 14.50. Weight (pounds): 13.74. Construction: Tube type. Developed in Arenacross racing, this is the tire you need for those hard terrain applications. Available exclusively in sticky race compound.Developed and tested in Arenacross and Supercross races.Low-profile sidewall for improved cornering stability and cornering traction.Tread pattern designed for hard packed, slippery surfaces.Dimpled knobs allo If you have any questions, please call Customer Service at 1-888-676-8853.Tire Specifications: Speed/load rating: 57M. Overall diameter (inches): 26.00. Section width (inches): 4.00.