F104W chassis features a double-deck frame equipped with 2.0mm upper and 3.2mm lower FRP decks and has the battery placed in a longitudinal position to allow for a slim body design. F103 front suspension arms are incorporated to accurately replicate the wide dimensions of this classic 1970s race car. Front suspension features an independent kingpin/coil spring while rear features a proven 3-point suspension with 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. Realistic semi-pneumatic rubber tires are equipped with inner sponges.