Alloy wheels or rims differ from steel-plated wheels in that they are made from aluminium or magnesium. Rims are stronger, yet lighter, lowering the overall weight of the vehicle. They also conduct heat better, allowing for improved braking. One such benefit of using alloy wheels or rims is that it reduces the unsprung weight of the vehicle, resulting in improved cornering and reducing overall fuel consumption.
Additionally, rims are very aesthetically pleasing and will improve the overall look of your car! Clean your wheels frequently to maintain the appealing look.
Why change to rims?
- Rims reduce the unsprung weight of a vehicle, giving you more controlled steering and reduced fuel consumption.
- Rims are excellent conductors of heat, improving heat dissipation from the brakes and reducing the risk of brake failure under demanding driving conditions.
- Using the “Inch-up Principle” (increasing the diameter size of the wheel fitted by the manufacturers) when buying rims, optimises steering response and road holding, especially when cornering.
- A set of rims will make your car look great!
The principle of conversion: The larger the rim, the larger the tyre. This inversely lowers the tyre profile, because the original rolling radius of the car cannot be changed (rolling radius is the distance it takes for the rim to make 1 complete revolution). In other words, if a car has a rolling radius of 2.050mm, after changing the rims and tyres the radius needs to remain 2.050mm. The whole car from brakes, suspension and the gearbox is set up for this. If a change occurs the car will experience mechanical problems but more importantly features like ABS won’t work correctly. You could even have the speedometer indicating 120km/h but in reality you’re driving at 140km/h! Using this principle you can upgrade your rims yet remain as close as possible to your original technical specifications. Never convert to a smaller size than the original fitted on your car.
Increasing your rim size gives you 3 advantages:
- Optical: The look of the car improves immediately – makes it more attractive!
- Security: Braking distance can be reduced by up to 7%(3m) due to the larger sized rim and wider tyre.
- Driving improvement: With a larger rim and of course a lower tyre profile the car becomes more stable.
Choosing the correct rim
- The rim must complement you type of car (design, colour etc.)
- The rim must be manufactured to fit properly.
Ask one of our Hi-Q professionals to advise you – they are experts in the field.
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