Michelin Wild Dig'r Descent 26"x2.2 Tire Especially well-suited for muddy downhills Tubeless construction gear the tires for competition use The distinctive knobs, oriented in four off-set, longitudinal rows, increase the amount of rubber in contact with the ground Knob height and shape maximize cornering adhesion for unreal grip and stability Anti-roll wire bead with a reinforced carcass ply Super Soft compound 1250 grams