Every aspect of MICHELIN® XC-series tires has been designed to maximize traction. Now a new rubber mixture improves durability by 25 percent, and grip by 5 to 10 percent, compared with their predecessors. The aggressive, terrain-specifi c knob patterns bite down hard while resisting chunking. The XC-series casing is designed to absorb impacts with less rebound, so the tires spend more time on the ground — for outstanding acceleration, braking and steering. The new S12 XCTM tire is highly versatile and excels in a variety of terrains.