You will need
- Cast b/u drives.
To check b/cast wheels and drove them to the nearest tire. Ask the employees of the tire to remove rubber disc, if there's any on them.
Explain to the employees of the tire that you need to check the disk geometry. Employees of the tire will inspect your alloy rims on a normal balancing machine and talk about the defects present on the disks.
If the geometry of the disk or disks is broken, you will prompt where it is possible to correct this defect. This operation is performed on a special machine by hot or cold rolling. These machines are not on each tire, so better to find out the nearest shop where you can repair the disks, in case of detection of small defects in the metal or violation of the geometry, so as not to waste time on several trips to different locations. Correction of violations of the geometry of the disc is from 600 rubles per disk.
Remember that purchasing used alloy wheels from an unknown private individual will require their validation, possible monetary costs and your time.
Generally purchasing used alloy wheels has its pros and cons. The downside is that purchasing from a private entity b/a alloy wheels, you'll need to check them, and then possible monetary costs and time. Well if the seller sells officially proven/used drives and gives a guarantee on them. Advantages in buying cast b/u drive too. The fact that during casting the discs can acquire internal defects such as cracks and stresses in the crystal lattice of the metal. But if the disks have served at least one season and the defects are not proved, it indicates that the drives have no manufacturing defects and is thinking about purchasing.