The new double steering system is ALL NEW for XRAY electric touring cars. The double steering system is supported by 6 ball bearings and runs on aluminum stands. Ackermann is easily adjusted by inserting shims between the steering plate and steering rods. The new steering system features a lower mounting position for steering linkage which makes the car handle easier going into corners. Handling is easily adjusted for more aggression by inserting a shim between the steering block and steering rods. Comes as a complete set.