What are the functions of car installation roof racks/cross bars:

1. The car roof racks/cross bars has both aesthetic and practical functions, which can not only

make the shape of the car cooler, but also come in handy when you travel;

2. It can carry things that cannot be placed in the luggage compartment, such as bulky luggage, bicycles, folding beds, etc.;

3. As long as the owner fixes the cargo in place, especially if the luggage net is added to the cargo, more things can be carried;

4. The roof bracket is most commonly used for self-driving travel. It can be used with the roof box and roof frame to carry travel

luggage, increase the interior space, and can also carry other sports equipment such as skis, bicycles, sailboats, etc. There are

different brands of roof racks on the market. less than 50.

The materials of general luggage racks are divided into the following types:

One is glass fiber reinforced plastic, also known as resin synthetic fiber material; one is stainless steel material; the other is

relatively high-end aviation aluminum material; Not too atmospheric, the price of aviation aluminum is high but the material

is the best. The best in terms of aesthetics, materials and technology.

Generally, PC+PBT is used for the base of the car luggage rack, and aluminum alloy is better for the middle metal part. Do not

overload the luggage rack, pay attention to the carrying weight of the luggage rack and the actual carrying weight of the car;

note that the luggage rack must be installed with a lock cylinder and key, and be sure to lock and remove the key during use;

the aluminum alloy roof rack will not be damaged. Rust, but there will be slow oxidation during use. Rainwater or car wash water

contains acidic or alkaline substances, which will also erode the surface to a certain extent. After a long time, there will be slight

stains, which is a normal phenomenon.