Maxxis M931 and M932 Razr MX are durable tires made from optimum quality rubber. They are available in both 2-ply and 4-ply rating for high puncture resistance and are offered in various sizes for all recreational and racing needs. The M931 and M932 Razr MX front tires are designed for precise steering, on-line stability and traction, whereas the rear tires are designed for acceleration in addition to optimal traction. Maxxis M931 and M932 Razr MX tires have a sturdy polyester carcass that allows for a firm grip while extending tread life.