Double kingpin truck which fit Backfire Ranger X1 and Ranger X2
- The front Axle for Ranger X2 is the same as Ranger X1 ( new front wheel)
- The back axle for Ranger X2 is different from Back Axle for Ranger X1 , due to different motors.
- The base for the double kingpin truck are the same for both front and back.
- The bushings inside the truck are stock bushings, with hardness close to 96A.