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Find Your Tyre Size

A Guide to Finding The Right Tyre For You.

Tyre Markings Explained

When you order your tyres from SK8TYRES they can be any make and tread pattern you like, however the size must match those currently on the car.

You can find the size by reading the markings on the side of your current tyres.

Look for a group of letters/numbers like the example below, which tell you the tyre’s width and profile, the wheel diameter, and the tyre’s load and speed ratings.

Something like this: 245/40 R 20 99 Y

In this example shown:

245 is the tyre’s width in millimetres.
40 is the tyre’s profile.
R indicates the tyre’s construction type (in this case radial).
20 is the wheel rim diameter in inches.
99 is the vehicle’s load index (the maximum load it can carry).
Y is the tyre’s maximum speed rating.


The speed and load ratings of the replacement tyre(s) must be equal to, or higher than those given in the vehicle handbook.

This table shows the maximum speed for each speed rating:

CODE MPH
A-J62
K68
L75
M81
N87
P94
Q100
R106
S112
T118
U124
H130
V149
Zover 149
W168
(W)over 168
Y186
(Y)over 186
Showing entries (filtered from total entries)
Address

Grange Garage
Cheadle Road
Cheadle Hulme
Cheadle
Cheshire. SK8 5EU

Contacts

Email: paul@sk8tyres.co.uk
Phone: 0800 161 5050
Phone: 0161 485 1141