Cheng Shin M957 and M958 RAZR Cross tires are high performance tires made of high quality rubber material. They boast of 2 Ply and 4 Ply ratings and are available in 18-inch, 19-inch and 20-inch tires. Maxxis M957 and M958 RAZR Cross front tires feature a centre –line tread pattern with knobs angled outwards for better braking, accurate steering and straight-line steering. M957 and M958 RAZR Cross rear tires have tread knobs angled at 450 for exemplary cornering and traction. Maxxis M957 and M958 RAZR Cross tires are available in 18-inch, 19-inch and 20-inch.