First pay attention to cleaning, especially in the winter after the salt water should be timely cleaning, otherwise it is very easy to cause metal rust, paint film aging off. The second is to pay attention to the maximum adjustment height. After the new car ride for a period of time, in accordance with the requirements of the instructions, the whole car should be checked and adjusted. Fastening and lubrication are essential at this time. Check the fasteners are loose, the transmission is flexible, pay attention to the chain grease lubrication to wipe the oil slick, flywheel point a little bit of grease. Tyre inflation should be appropriate, otherwise it will affect the comfort and service life of the ride. Brakes are the basic guarantee of safety, should be checked at any time, as long as the problem should be adjusted or repaired immediately.