Back-type bicycle frame: The metal hook is connected with the sheet metal gap of the rear tailgate, which generally does not affect the opening of the rear tailgate. The advantage is that compared with the overhead bicycle frame, it is more convenient to take and place the bicycle. The disadvantage is that the metal hook that plays a fixed role will more or less affect the body sheet metal. Sometimes the bicycle hanging in the air may block the vehicle number plate. There are many kinds of products of this kind, No brand has the most obvious advantages.

Top-mounted bicycle frame: also known as roof-mounted bicycle frame, it has the advantage of being able to carry bicycles while driving fast, professional, safe and stable, and is popular with bicycle clubs and professional athletes. The disadvantage is that after the bicycle is fixed on the roof of the car, the height increases significantly, and the trafficability will be affected to a certain extent; The most stable and safe overhead bicycle frame in the world adopts the design of double arms.