The automotive market is offered a huge selection of wheeled wheels. Even the most demanding car enthusiast can pick up alloy wheels for every taste. The advantage of cast discs is not only beauty, but also high thermal conductivity of the alloy, which ensures cooling of the brakes and reduces the risk of overheating, and the manufacture of the manufacturer improves the quality of the wheel balancing. A small mass of the disk allows you to spend less fuel and increase the service life of parts. Alloy wheels can be self-charge from dirt and salt. To properly select alloy wheels on the car, you must take into account several parameters.
1
A oxide film is formed on the surface of aluminum diets, which practically eliminates the appearance of corrosion. Alloy discs made of magnesium alloys have very low corrosion resistance. The best protection against corrosion in chromed cast discs, although the price of them is slightly higher than on other discs.
2
The width of the rim is the first thing to be taken into account when selecting a cast disc. It should be 1/4 less bus width. The use of a smaller disk will lead to a deterioration of the course stability due to the fact that the tire will perform. On the drive of larger than the tire will be bad, and the wheel lose pressure. The diameter of the disks is measured in inches. Motorists set the larger diameter discs, for example, with a 13-inch switch to 14-inch. The car becomes more stable, but on bad roads there is a risk of damage to the disk.
3
Wheel departure is calculated for each car brand individually. It is necessary to ensure the maximum stability of the car. For cast discs, this indicator is 40 mm.
4
When choosing cast discs on a sports car, a mounting disk diameter is very important. Inside the disk there is a braking mechanism and a hub, and at sports cars, the braking mechanism takes more space than in the usual, so the mounting diameter should be greater.
5
Molded discs are attached with bolts, the diameter of which is more stamped. Too short bolts will not be able to firmly fasten the wheel, and too long will cover the wheel details. Therefore, it is best to buy original discs with a set of fasteners. The holes for bolts in the disk can be a different amount, they may also differ in the diameter of the location of several millimeters. Even a small inconsistency can lead to the fact that the disk will not be completely tightened by all bolts, they may accidentally turn away, the wheel will lose the right location, the car will be unstable.
6
The diameter of the central opening is an important aspect when choosing cast discs. The diameter of the central hole of the cast discs may not correspond to the factory diameter, which is fully compatible with the axis hub. You can solve this problem using a set of linings, thanks to which the disk will take the correct position in the seating.
When selecting a cast disc, you should pay attention to quality certificates. Alloy wheels should be marked by X-ray control and have quality mark. Discs should have a mark of control authority, which certifies that the product has been controlled and manufactured in accordance with standards. There must be a trademark on the disk, the manufacturer's name, melting number, maximum load, production method, marking and release date.
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