M5B rear tires are the ideal set-up for riding in the mud or through soft sand. Their self-cleaning treads help keep you going in the most severe conditions. The outstanding traction of the M5B also makes it a great tire for hill climbs. Designed and tested in soft loamy situation to bring the perfect balance with the giant knob M5BEVO rear tire. Block Pattern: Optimized block spacing to enhance self-cleaning performance simultaneously provide bite through soft loamy situation. Taper angle has adjusted to enhance handling performance. All-New Compound: Updated new rubber compound increased breaking grip with excellent durability