MST RMX 2.5 S+ KITMST (#532205) RMX 2. 5 S+ RWD Drift Car KIT Package Content: Assembly chassis kit Equipped with new designed rear spur gear driving gearbox is switchable for RMX and RRX drive mode. With the new HT short rear lower arm and the updated settings of MST DRIFT performance, drivers can enjoy its stability control and great acceleration after the finish of assembly followed by the instructions. The new RMX 2. 5 S+ kit offers exceptional value without