Additional Information Hankook DH31 The 3PMS-certified Smart Flex DH31 is a drive axle tire designed for multi-purpose application. Highlights Adopted new technology and design provide increased safety with an economic advantage to the customer 3D sipes deliver excellent mileage and traction performance with reduced irregular wear which enhances fuel efficiency Combination structure of rib and 6-angle block pattern offers improved grip, increased mileage and enhanced handling performance Self-regenerating sipes control tearing and wearing of tread with hidden grooves whilst maintaining traction at the end of the groove wear