Design for pulling performance Optimized groove – Preventing EVÂ’s leaning situation when accelerating Design for improving accelerating and braking performance Enhancing the rigidity of patternÂ’s central block – Securing grip performance Design for preventing wheel slip Optimized blockÂ’s stiffness & maximized contact area – Preventing wheel slip Design for low noise Applied IN ? OUT Multi-Sequence design & optimized the arrangement between patternÂ’s block – Design for low noise