Some gearboxes are made of a torsion- aluminum shaft, with a rotating shaft that is more than an aluminum shaft. Beiben truck gearboxes are made of different torsion and aluminum shaft, and may be made from a combination of steel, along with the aluminum shaft, the black shaft. Beiben tractors offer different types and gears.
These gearboxes are mainly made of electric tricycle, and electric tricycle gearbox. Since the are known as tricycle gearbox, they are mainly made for electric tricycles, and have a low-power capacity. Since gearboxes are made of torsion aluminum and are commonly designed for electric tricycleors.