Tire Maintenance - Speed and Load
| R | 170 km/h (106 mph) | |
| T | 190 km/h (118 mph) | |
| H | 210 km/h (130 mph) | |
| V | 240 km/h (149 mph) | |
| *W | 270 km/h (168 mph) | |
| *Y | 300 km/h (186 mph) |
* For tires with a maximum speed capability above 240km/h (149 mph), a "ZR" may
appear in the size designation.
While a speed symbol is an indication of the speed capability of the tire, we do not endorse the operation of any vehicle in an unsafe or unlawful manner.
Tire loading capacity decreases with speed, as the table below indicates:
| Speed Capability of the vehicle (km/h) | Speed Symbol H% | Speed Symbol V% | Speed Symbol W% | Speed Symbol Y% |
| 210 km/h / 130 MPH | 100 | 100 | 100 | 100 |
| 220 km/h / 136 MPH | - | 97 | 100 | 100 |
| 230 km/h / 143 MPH | - | 94 | 100 | 100 |
| 240 km/h / 149 MPH | - | 91 | 100 | 100 |
| 250 km/h / 155 MPH | - | - | 95 | 100 |
| 260 km/h / 161 MPH | - | - | 90 | 100 |
| 270 km/h / 168 MPH | - | - | 85 | 100 |
| 280 km/h / 174 MPH | - | - | - | 95 |
| 290 km/h / 180 MPH | - | - | - | 90 |
| 300 km/h / 186 MPH | - | - | - | 85 |