• Rear tire has a standard compound in the center for excellent durability, and a soft race compound in shoulder area for increased cornering stability and traction• Front tire has a race compound in the center for traction and braking and a standard compound on both sides for a less knob-roll in the corners• New rear tread pattern for improved efficiency in a wider variety of course conditions• Tie-bar reinforced knobs for extended durability• Note: Youth sized feature durable race compound only