Tread features alternated side diamond-shaped knobs for optimal directionality, cornering grip and steering feel, maximum traction in and out of turns and responsive steering with reduced grabbing in ruts Alternated-cut knobs add to the balance of lateral and longitudinal stiffness, which maximizes grip for traction and braking and provide outstanding durability Parabola-shaped center elements: the center of the knob digs, the sides withstand the stress and enlarge the tireÆs footprint Reversible tread pattern Self-cleaning NHS (Not for highway service).. TIRE MC360 MS 100/90-19