What Are Alloy Rims?

Alloy rims are a very popular aftermarket upgrade to cars and trucks. They also come standard on many new vehicles when they leave the factory.

Alloy Rim Definition

Alloy rims are generally made from aluminum though there are some made from magnesium, which is lighter. Alloy wheels are cast or forged, with forged wheels being more expensive.

Uses

Alloy wheels are used on street-going vehicles as well as used extensively on race cars and competition vehicles because of the light and strong construction.

Aftermarket

The biggest source for alloy wheels is the extensive aftermarket. There are dozens of alloy wheel manufacturers and thousands of choices when it comes to aftermarket wheels for cars and trucks. Aftermarket wheels come in wide range of sized to suit different needs, from under 14 inches to over 22 inches.

Benefits

Alloy wheels are generally lighter than steel wheels and can improve a vehicle's performance by reducing the unsprung weight of the suspension. Alloys also have a better appearance.

Problems

Despite their superior strength, alloy wheels can crack easier than steel wheels because of the porous nature of their construction. Alloy wheels are also more expensive than steel wheels.

References

• Tire Rack
• BBS