The height of the third gear can be adjusted freely: 67-80cm can be adjusted. 80KG stable load-bearing: fully enclosed high-strength reinforced bottom plate which can bear 80KG pressure. Manufacturered by YUMEIGE. Fun Smart Steering: The balance of exercise balance to the right is to turn to the right to the left is to turn to the left. More comfortable and safer: In order to ensure a comfortable and safe riding experience the scooter has the following functions: three-speed adjustment / PU suspension wheel / height adjustment double insurance / head collision. Material: Aluminum alloy rod / wear-resistant pu wheel / nylon base