GDR639 Regional Drive Non-directional drive axle pattern designed to deliver exceptional traction and outstanding mileage performance Features Benefits + Wider tread and deeper tread pattern + Larger tread volume for longer mileage + Rational block stiffness distribution + Excellent performance for irregular wear resistance + Optimized block design + Effectively prevent occurrence of "heel＆toe" + Open shoulder design + Provide good traction performance and improve tire heat dissipation and endurance performance + Stone ejector design on the groove bottom + Protect groove and belt from stone penetration + Special tread compound + Good resistance to puncturing and tearing, providing long tread life