The variable groove design improves the holding power;
the variable-angle groove design reduces the probability of stone inclusion;
the intermediate groove adopts straight groove plus stone-jacking block design to reduce probability of stone inclusion while ensuring drainage;
the reasonable design of the shoulder pattern stiffness effectively reduces the abnormal wear of the shoulder;
the widened tread design greatly improves the service life;
the patented bead toe design technology solves the bead toe cracking and other bead problems.