The frame uses high carbon steel, which has High hardness and good abrasion resistance. It uses a 350W brushless motor with high speed, long service life, no friction and internal friction,12-tube controller, 48V12A lead-acid battery.It can drive 40KM-50KM one full charge and three gears speed. The speed range is from 0-28KM/h. And there is also a storage box behind the seat. You can put some stuff for short trip. It uses the drum brake ,which is good for maintenance. It’s a good choice for carrying cargo and taking passenger. For mass quantity order, we can add your logo on the tricycle body or customize the color. It’s suitable for the adults and the elderly. Welcome to contact us for more details.