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If you need your tyres replaced then you may be wondering whether your car’s fitted with run-flat tyres or not. Read on and we’ll explain how to identify them.
Want to know why ADAS calibration is important for vehicle safety & performance? Read our blog to learn more about the impacts of not calibrating your ADAS.
Your tyre size can be found on the sidewall of your current tyre and is a sequence of numbers and letters. The most common tyre size in the UK is 205/55R16 but there are many variations so it’s important to check your existing tyre first before searching for tyres.
Tip: Take a photo of your existing tyre sidewall to make it easier to identify your tyre size using the guide below.
The first three digits. This displays the width of the tyre in millimetres. A tyre marked 225 will measure 225mm across the tread from sidewall to sidewall.
Aspect Ratio
The fourth and fifth digits of the tyre code that immediately follow the tyre width. The aspect ratio or profile height of the tyre sidewall is expressed as a percentage of the tyre width. So an aspect ratio of 55 for example means that the profile height of the tyre is 55% of its width.
Rim Diameter
The next two digits represent the size of the wheel rim that the tyre can be fitted to. It is also the diameter of the tyre from bead to bead. So a tyre marked 16 will fit on a 16-inch wheel rim.
Speed Rating
The speed rating of a tyre is represented by a letter of the alphabet at the end of the tyre size code and indicates the maximum speed capability of the tyre. Tyres receive a speed rating based on a series of tests which measure the tyres capability to handle a set speed for a prolonged period of time.
Select your tyre speed rating to find out the maximum speed your tyres can maintain.
If you are unsure what speed rating you need, be sure to check your vehicle handbook. Choosing a lower speed rating than that recommended by your vehicle manufacturer could potentially invalidate your insurance.
Load Rating
The load index provides information on the maximum weight capability for the tyre. The load index is a numerical code that can be located just after the tyre size marking and before the speed rating.
Select your load index to find out the maximum load capability for your tyres.
Although not illegal, it is not advisable to have tyres with a lower speed rating or load index than the manufacturer recommended tyre specification for your vehicle, or to have a combination of different tyre construction types. Consult your vehicle handbook to confirm your vehicle’s tyre speed rating and load index as well as any additional requirements.
Contact our team for help and advice with a new or existing booking. We’ll help direct your enquiry to the appropriate department.
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Select Tyre Size
Front Tyre Size
Rear Tyre Size
We endeavour to ensure we are displaying the correct tyres for your vehicle. However, we recommend all customers check the tyre size printed on the side wall of their tyres before proceeding with a tyre purchase as occasionally discrepancies do occur. By selecting the tyre sizes above and clicking 'Continue', you are indicating that you have checked your tyre sizes.
Please select your front and rear tyre size before clicking 'Continue'.
We have identified the tyre size(s) that may fit your {VEHICLE}. Please select your front tyre size and rear tyre size below before clicking 'Continue'.
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To continue with your booking, please select your appointment time from the list below.
Please note: There is a slope that the vehicle must be driven up to reach the vehicle ramp at this centre. This may prevent us from being able to work on some high-performance vehicles, Tesla vehicles or vehicles that have been lowered. If your vehicle has low ground clearance, please contact the centre team on 01342 314 111 before booking.
Appointment time:
This is the only appointment time available on this day. To continue with your booking, please select "Reserve Your Appointment" below.
Please note:
If you selected an appointment on a Bank Holiday Monday, please bring your car to the centre at 10:00am rather than the time shown below.
