Extreme Off Road Bias designed for competition! Heavy-duty bias ply construction for excellent durability and tread flexibility. Multi-curve tread siping improves traction on loose dirt and slippery terrain. Unique tread element arrangement ensures a uniform tread contact area for maximum road contact. Aggressive side lug design provides improved side-bite on difficult off-road and rocky terrain. Nylon belt-reinforced tire construction improves puncture resistance and durability. Due to the intended application, the Trepador Competition has no manufacturers warranty.