Did you know that the speed rating for each tire is indicated by a letter on the tire wall, ranging from L to H?
Additionally, the tire’s shelf life is indicated by a four-digit number on the wall, with the first two digits indicating the week of manufacture and the last two indicating the year. It’s important to note that a tire’s validity is typically two to three years from the date of manufacture.
Therefore, it’s crucial to ensure that your tires can withstand the pressure of high speeds to avoid accidents.
Many tire explosions occur due to increased speed, and this can be prevented by checking the letter indicated on your tires. Each wheel or tire has a certain speed rating, with the letter L meaning a maximum speed of 120 km/h and the letter H meaning above 210 km/h.
The letter L means a maximum speed of 120 km.
… And the letter M means 130 km.
And the letter N means 140 km
And the letter P means 150 km.
And the letter Q means 160 km.
The letter R means 170 km.
And the letter H means above 210 km.
Stay safe on the road by being aware of your tire’s maximum designed speed and shelf life.
Tyre speed ratings are shown by a letter of the alphabet, with
each letter representing a different top speed. The below table shows
the max speed for each speed rating:
| Speed Rating | Max Speed (Mph) | Max Speed (Kph) |
|---|---|---|
| Q | 99 | 160 |
| R | 106 | 170 |
| S | 112 | 180 |
| T | 118 | 190 |
| U | 124 | 200 |
| H | 130 | 210 |
| V | 149 | 240 |
| W | 168 | 270 |
| Y | 186 | 300 |
The letters W or Y on a tyre represents the speed rating, or the highest speed that the tyre was designed to withstand and maintain. The speed rating is typically denoted by a letter following the load index, which is a number that indicates how much weight the tyre can support.
The letter “H” on a tyre indicates that it is rated for a maximum speed of 130mph. The letter “T” on a tyre indicates that it is rated for a maximum speed of 118mph.
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Demount tyres are new tyres that were fitted to new vehicles but have done no mileage worth talking about. Usually this happens when vehicles are shipped from the factory with one particular brand on the rims but the brand chosen by the vehicle manufacturer changes by the time the vehicle reaches the destination country!
The reason you should care is that you can get a new premium branded tyre (just with no labels) at a fraction of the price!
This is a tyre that has been on a set alloy wheels in a showroom but when sold the tyres need to be changed to correspond with the vehicle they are being fitted to.
#whattyrepressure #tyres #tyresireland #gettheresafely #keepingyourolling #nexen #bridgestone #goodyear
#dunlop #michelin #continental #hankook #uniroyal
By ensuring that your vehicle’s tyres are inflated to their recommended tyre pressure levels, you could:
• Extend the life of your tyres
• Improve your vehicle safety
• Maintain fuel efficiency
It is essential to check tyre pressures regularly and at least once a month, before long journeys and when vehicle load increases or decreases. Keeping to correct tyre pressures improves road safety and can significantly increase the lifespan of your tyres.
With so many different types of vehicles, and different tyre options, it can be difficult to identify the optimal tyre pressure for you. Luckily, here at whattyrepressure.co.uk
we have created and updated almost all Makes and Models from where you can easily find correct and recommended tyre pressure for your vehicle.
Bar and psi are both units of pressure used by car manufacturers to specify the correct tyre pressure for a particular vehicle. You can convert bar to psi and psi to bar using the chart below:
| BAR | PSI | BAR | PSI | BAR | PSI | BAR | PSI | BAR | PSI |
| 1.30 bar | 17 psi | 1.90 bar | 27 psi | 2.60 bar | 37 psi | 3.25 bar | 47 psi | 3.95 bar | 57 psi |
| 1.35 bar | 18 psi | 1.95 bar | 28 psi | 2.65 bar | 38 psi | 3.30 bar | 48 psi | 4.00 bar | 58 psi |
| 1.40 bar | 19 psi | 2.00 bar | 29 psi | 2.70 bar | 39 psi | 3.40 bar | 49 psi | 4.10 bar | 59 psi |
| 1.45 bar | 20 psi | 2.10 bar | 30 psi | 2.75 bar | 40 psi | 3.50 bar | 50 psi | 4.15 bar | 60 psi |
| 1.50 bar | 21 psi | 2.15 bar | 31 psi | 2.80 bar | 41 psi | 3.55 bar | 51 psi | 4.50 bar | 65 psi |
| 1.55 bar | 22 psi | 2.20 bar | 32 psi | 2.90 bar | 42 psi | 3.60 bar | 52 psi | 4.80 bar | 70 psi |
| 1.60 bar | 23 psi | 2.25 bar | 33 psi | 3.00 bar | 43 psi | 3.70 bar | 53 psi | 5.20 bar | 75 psi |
| 1.70 bar | 24 psi | 2.30 bar | 34 psi | 3.05 bar | 44 psi | 3.75 bar | 54 psi | 5.50 bar | 80 psi |
| 1.75 bar | 25 psi | 2.40 bar | 35 psi | 3.10 bar | 45 psi | 3.80 bar | 55 psi | 5.85 bar | 85 psi |
| 1.80 bar | 26 psi | 2.50 bar | 36 psi | 3.20 bar | 46 psi | 3.90 bar | 56 psi | 6.20 bar | 90 psi |
