TYRE TECHNICAL SPECIFICATIONS
SPEED RATINGS
All tyres carry a speed symbol which is in the form of a letter, this letter is
indicative of the maximum speed for which the tyre is intended. The following table
shows the letter to maximum speed rating associations.
| RATING SYMBOL | MAXIMUM SPEED (km/h) | MAXIMUM SPEED (mph) |
| N | 140 | 87 |
| P | 150 | 93 |
| Q | 160 | 99 |
| R | 170 | 106 |
| S | 180 | 112 |
| T | 190 | 118 |
| H | 210 | 130 |
| V | 240 | 149 |
| W | 270 | 168 |
| Y | 300 | 186 |
NOTE: The ratings specified are very important in that it is a breach of construction
and use regulations to run on tyres that are below the specified Load Index
or Speed Rating, it may also be dangerous.