Denotes The Type of Construction
|
On the illustration above the Markings 150/70 ZR 18 MACADAM 90X means:-
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150
|
= |
Nominal section width of the tyre in millimetres. |
|
70
|
= |
The aspect ratio of the tyre; this means the height of the tyre's cross section expressed as a percentage of its width. |
|
Z
|
= |
Speed catagory indicating tyre is suitable for speeds over 240 km/h (150 mph). |
|
R
|
= |
Radial construction. |
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18
|
= |
Nominal diameter of the rim to which the tyre should be fitted (shown in inches). |
| MACADAM 90X |
= |
Tread pattern, in this case a radial rear tyre. |
|
Country of Manufacture
|
Tyre construction details
(not required in UK)
|
Tyre size designation incorporating speed symbol
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North American Tyre Identifcation Number with North American Dept of Transport Compliance Symbol
|
Manufacturers Brand Name
|
Load and pressure marking requirement
(not required in UK)
|
Load range USA
(not required in UK)
|
Tyre Type
|
Tyre construction details
(not required in UK)
|
|
Commercial name for
identity code
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