2. According to the design of the seat height adjustment lever, use the handle, button or knob to move the seat up or down. Some seat height adjustment levers may require you to hold down a button or handle and then push the seat up or down.
3. After adjusting the height of the seat, sit on the seat to ensure that you feel comfortable and stable. The height of the seat should make your feet flat on the ground and your knees at a 90-degree angle.
4. If your seat height adjusting lever has locking function, please ensure that it is locked at the required height, so as to prevent the seat from moving accidentally during use.