(NCT) Manual 2010 - Road Safety Authority
(NCT) Manual 2010 - Road Safety Authority
(NCT) Manual 2010 - Road Safety Authority
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NATIONAL CAR TEST (<strong>NCT</strong>) MANUAL <strong>2010</strong><br />
37<br />
TYRE SPECIFICATION<br />
Method of Testing<br />
1. Check that tyres on the same axle are of the same size, aspect ratio(Note 3 on next page) and type (i.e. cross-ply or radial-ply).<br />
2. Check that the speed rating of each tyre is suitable for the maximum legal speed limit for the vehicle.<br />
3. Check that each tyre fitted on the vehicle has an E-mark or e-mark.<br />
1<br />
2 3<br />
4<br />
5<br />
6<br />
7 8<br />
9<br />
10<br />
# Marking Explanation<br />
1 205 Tyre width in millimetres<br />
2 55<br />
3 R Radial construction<br />
Height-to-width ratio in percent. In this example, 55% of 205mm.<br />
Also called the aspect ratio.<br />
4 16 Inner rim diameter of the tyre in inches.<br />
5 91<br />
6 V<br />
Service description: Load Index. Denotes the maximum approved load capacity<br />
per individual tyre.<br />
Service description: Speed symbol. Indicates the maximum speed for the tyre at<br />
full load. In this case 241 kph (150 mph).<br />
7 0204 Production date code (i.e. second week in 2004)<br />
8 E4<br />
Type approval mark (ECE) designating country where issued (“E-mark). There may<br />
be a small “e” instead of or in addition to the “E” mark. The “e-mark” denotes EU<br />
type approval. Either is acceptable.<br />
9 214336 Type approval number (ECE).<br />
10 Outside Asymmetric tyre marking. Where present indicates location of tyre on vehicle.<br />
Not Shown Arrow Where present indicates direction of rotation.<br />
NOTES<br />
1. E-mark is to UNECE type approval specification. e-mark is to European Directive type approval.<br />
Either is acceptable.<br />
61
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