EXTREME TERRAIN. Designed for extreme conditions, whether of rock or mud. MICHELIN WildRock'R tires are available in three widths: wider casings help with shock absorption while narrower versions are lighter. You make the choice based on your type of riding. The enhanced architecture of MICHELIN Reinforced technology on the 2.40 version helps provide greater impact and puncture resistance. Michelin WildRock'R tires are designed for extreme conditions, whether of rock or mud. The central groove helps with directional control while the massive knobs across the width of the tread help withstand the roughest rocky terrain. Its aggressive clawshaped shoulder knobs help you hold your line in extreme cornering situations.