Item #70811 HP-EX-P This suspension system comes in three different configurations. The single axle, tandem axle and tridem axle. Available in 1/25-1/24 & 1/16 scale. This system also comes in a one piece version or a split version with rubber airbags. ***NOTE: YOU NEED TO CUT THE BRACE THAT CONNECTS THE SUSPENSION HALVES. CUT THE BRACE TO FIT THE WIDTH OF YOUR FRAME.***