Design for pulling performance Optimized groove – Preventing EV’s leaning situation when accelerating Design for improving accelerating and braking performance Enhancing the rigidity of pattern’s central block – Securing grip performance Design for increasing mileage Designed optimized groove shape – Increasing mileage Design for low noise Optimized the arrangement between pattern’s block – Design for low noise Design for preventing wheel slip Optimized block’s stiffness & maximized contact area – Preventing wheel slip