Wheel design can make or break the look of a car. That's why TRD studies the original design criteria for each vehicle and utilizes state-of-the-art CAD design techniques to create the optimal wheel. And, of course, every TRD wheel incorporates the proper weight, offset and brake clearance to ensure that you get proper fit, finish and reliability.

All wheels are not created equal and each wheel design has its own assets and liabilities. Steel wheels are inexpensive, easy to produce, and come "stock" on many vehicles. Steel wheels can be "dressed up" with a set of hubcaps. Aluminum alloy wheels (also known as alloy wheels), have some serious advantages over steel wheels – they are lighter, dissipate heat better and provide good rigidity under high-load cornering maneuvers. There are three basic types of alloy wheel construction: forged, billet and cast.

Back in the day, performance wheels were called mag wheels, which was short for magnesium – one of the primary components of wheel design at that time. In the years since, magnesium has been largely replaced by aluminum.

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Importance of weight


Reducing unsprung weight reduces the amount of inertial weight at the rotational axis. The less weight, the easier it is for the engine to turn the wheel and the easier it is for the suspension to control wheel and tire movements.

3 types of wheels


Forged: Intense heat and/or pressure transforms a solid slug of aluminum material into the final shape of a wheel.
Billet: Machined from a solid chunk, or "billet," of material.
Cast: Molten aluminum is poured into a permanent mold and allowed to cool.

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