Extreme traction and precision Front tread design ensures precision on straights, braking, and cornering stability. The rear knob layout provides great traction and thrust at any lean angle. Compliant with FIM technical regulations All sizes in the range comply with major international regulations, and they are road legal. *Except 140/80-18 EXTRASOFT NHS Resistant to impacts, tearing and wear MCE 6 Days Extreme features high-resistance carcass materials with remarkable dampening characteristics and high-performance carbon black fillers in the tread compound, capable of providing both thermal and mechanical resistance. Standard, Medium, Soft, Supersoft, Extrasoft Several specifications that share tread design and have specific structures and tread compounds, intended to best.