In the rapid growth of the modern world many types of vehicles are being innovated. But so far it is a major problem for people with physical disabilities to back down vehicles and "U" turn vehicles. Even at a small distance they can not move the vehicles behind. So to eliminate this problem we invented the reverse mechanism on two wheels. Challenged peoples can easily invert vehicles without getting off the vehicle with an easy-to-handle hand lever.
There is no system available to back the vehicle. Sometimes, when the front wheel enters a ditch, it is very difficult to take the vehicle from the parking lot. Even normal people face a lot of trouble getting the vehicle out of the parking lot at that time. In the case of disabled people who drive two wheels with extra support wheels, they face a lot of trouble to get the vehicle out of the parking lot by pushing the vehicle with our legs as we do. In order to get the vehicle out of the parking lot they need to seek help from others or they should push it out of the parking lot. As an aid to them we have designed a gearbox that fits the vehicle without disturbing the existing gearbox. Mounts on the side of the vehicle and helps in the back of the vehicle. When the driver wants to move the vehicle backwards he needs only to move the bar in the newly designed gearbox in one direction and when the driver wants the vehicle to move in the forward direction, then the bar will go to move to the previous position. The change of direction of the vehicle is only by the movement of the gear rod. This project gives a detailed view of how an additional gearbox is mounted on the vehicle and how it works and how useful the vehicle backrest is. As an added benefit, the vehicle can also be moved back and forth in heavy traffic. More about the power of this gearbox is taken from the vehicle engine itself, so there is no need for any extra engine or engine. This gearbox can adapt to any vehicle very easily.