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Galvanic corrosion, produced when two metals, such as those in certain alloys, react under certain conditions, is often a problem. If no steps are taken to check the corrosion, this may cause air to leak from the tires. Wheels made from alloys makes repairing them difficult, which is not really the case with the steel type. Because they are more expensive, repairing them usually works out better than replacing them. The decision on whether to repair or replace, rests, of course, with the owner.

The alloy wheel costs more to produce than a standard steel pressed wheel, and it is for this reason that they are not fitted as standard equipment on many vehicles. They are often marketed as optional accessories by vehicle dealerships. They are, however, being supplied as standard to a growing list of economy vehicles because they are so popular. They have been fitted as standard to many sports and luxury vehicles with the larger sizes being regarded as a sort of status symbol for the wealthy.

Unfortunately, because they are so valuable, they have been targeted by thieves and this has forced many manufacturers to supply wheel nuts that can be locked which, in turn, requires that a key be carried in order to unlock them. The majority of alloy wheels are cast, but many are forged. The forged wheels tend to be stronger and lighter than the cast type but they are also more expensive.

Wheels made from magnesium alloy, often referred to as mags, are often fitted to racing cars in an attempt to improve the vehicles performance. Some aluminum alloy wheel are mistakenly referred to as mags. A number of motorcycle alloys wheels are cast from magnesium disks.

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