Do Lightweight Wheels Really Improve Performance? The Ultimate Guide
Lightweight Wheels – Do They Really Improve Performance? When it comes to upgrading a car for better performance, enthusiasts often debate exhaust systems, ECU remaps, and tyre choices. But one upgrade that always catches attention is lightweight wheels . Do they really make a difference? Or is it just an expensive aesthetic choice? Let’s explore the engineering, physics, and real-world results behind lightweight wheels to find out if they truly improve performance. Understanding Wheel Weight and Its Effects First, let’s understand the basics: Unsprung Mass: This is the weight not supported by the suspension (wheels, tyres, brakes). Reducing unsprung mass improves how quickly the suspension responds to road bumps, enhancing ride quality and grip. Rotational Mass: Wheels are rotating masses. Reducing their weight has a double benefit – it reduces both unsprung mass and rotational inertia. Why Does Rotational Mass Matter? Physics tells us that rotating objects ...