The F104 chassis features a double-deck frame equipped with 2.0mm thick upper and 3.2mm lower FRP plates and has the battery placed in a longitudinal position to allow for a slim body design. Suspension features a simple and proven 3-point system. Front upper arms are connected to uprights with ball connectors, and the front ground clearance can be easily adjusted by altering the spacer positions. Rear suspension features the combination of friction plates and a coil spring. The highly efficient direct drive 2WD features the motor pinion directly connected to the spur gear which has a built-in ball differential.