Stepped shoulder knob design offers an additional degree of side bite and rut control Wider than other trail riding and racing tires to help climb out and stay out of ruts Re-engineered to handle the most extreme trail conditions possible Surprisingly light with unmatched puncture resistance Tough 6-ply rating makes it extremely durable Not certified for use on public roads (NHS) Xtreme duty ATV tire Tubeless (TL). TIRE HOLESHOT HD 20X11-9