Tire - MC360* Mid-Soft - R Spec - Rear - 100/90-19 - 57M 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 tire*s footprint, Reversible tread pattern, Self-cleaning