Keep a solid grip on hard pack tracks and get out of the gate quicker. The MX PRO features a revised profile for predictability and traction. Soft 'works' rubber compound. Dimpled knob design. Factory tested with Yamaha and Kawasaki ATV teams. A pound lighter in front and two pounds lighter in back. A new 2-ply carcass utilizing a sidewall apex design that stiffens the sidewall during side loads without compromising ride quality.