Welcome to the AlloyCarWheels.co.uk FAQs section! We know choosing the right alloy wheels for your vehicle can be a complex process, so we've put together this guide to help answer some of the most common questions.

Whether you're wondering about fitment, sizing, or the technical details like offset and PCD, you'll find all the information you need to make an informed decision. Our goal is to ensure you have a smooth and confident buying experience. Explore the FAQs below to learn more about the key factors involved in selecting and maintaining your alloy wheels, and discover why AlloyCarWheels.co.uk is the trusted choice for quality and performance.

Alloy wheels are designed to be lighter, more visually appealing, and more effective at dissipating brake heat compared to traditional steel wheels. We offer them in standard sizes and a variety of fitments to suit different vehicles. Upgrading to alloy wheels often results in reduced unsprung weight, this reduction in rotating mass at the ends of your suspension components enhances steering responsiveness and improves braking performance, giving you a more dynamic driving experience.
PCD (Pitch Circle Diameter) refers to the diameter of an imaginary circle drawn through the centre of your wheel's bolt holes. It is measured in millimetres and also specifies the number of studs or bolts on the wheel. For example, many European cars use a 4×108 PCD (meaning 4 bolt holes positioned around a 108mm circle).
Offset refers to the measurement between the hub mounting surface and the centerline of the wheel. This measurement, typically engraved or stamped on the wheel, is expressed in millimeters as 'ET' (which comes from the German term "Einpresstiefe," meaning "insertion depth").
The centre bore of an alloy wheel refers to the diameter of the opening on the back of the wheel that fits over the vehicle’s hub. For a secure and proper fit, this hole must precisely match the size of the hub. Most modern wheels are hub-centric, meaning the hub that extends from the vehicle carries the weight, aligning with the corresponding hole in the wheel. In this design, the studs or bolts mainly serve to keep the wheel attached to the hub. For lug-centric wheels, the condition of the studs or bolts is more crucial. It’s recommended to partially tighten the bolts (about 3/4) before mounting the wheel to ensure it is properly centred.
We use a courier service to deliver all of our products. Shipping information will be sent once your order has shipped.
Yes we do. We can have your wheels fitted with a choice of tyres and fully balanced before shipping them to you. Please contact our customer services for the latest deals.

Can't find the answer you are looking for?

Contact us for help and support
0330 043 4755
info@alloycarwheels.co.uk

How can we help?

Submit your enquiry