Those numbers refer to the load and speed ratings of the tires. In your first example 104T would mean that tire has a load carrying capacity of 2000 pounds (900kg) and a speed rating of 118 miles per hour (190 km/h). As the letters and numbers go up their respective scales the load rating and speed rating go up.
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Likewise, What is the highest speed rating for a tire?
Tires with a maximum speed capability higher than 300 km/h (186 mph) , require a “ZR” in the size designation. Consult the tire manufacturer for maximum speed when there is no service description.
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Tire Speed Rating Chart.
| SPEED SYMBOLS | ||
|---|---|---|
| Symbol Speed | Speed (km/h) | Speed (mph) |
| A1 | 5 | 3 |
| A2 | 10 | 6 |
| A3 | 15 | 9 |
Also, What does 98V mean on a tire?
The 98V, listed after the above groups of digits indicates the load index (weight capacity) and speed rating of the tire. The number 98 indicates the tire can safely carry — when properly inflated — 1653 pounds. This scale ranges from a low of 60 (551#) to a high of 114 (2601#) for passenger tires.
Moreover, What does 102T mean on a tire?
Load Rating
A tire with a 101H load and speed index is rated for a maximum load carrying capacity of 1,819 pounds. A tire with a 102T rating is capable of safely supporting 1,874 pounds.
What is the T rating on a tire?
T speed rating
A T speed rating indicates the tire is approved for speeds up to 118 mph (190 km/h) under optimal conditions. T ratings are most associated with standard touring tires, and everyday passenger vehicles.
Does higher speed rating mean better tire?
The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds – and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.
Should I get H or V rated tires?
To support running at higher speeds, V-rated tires will have a stiffer sidewall and slightly firmer ride than H-rated tires. For normal driving conditions the H-rated tire will provide a more comfortable ride and the V-rated should give slightly better handling.
What does it mean when a tire does not meet speed rating?
Your actual speed capacity may be less than a tire’s rating. The rating indicates a new tire’s performance in tightly controlled lab settings, not the open road. Tire condition, inflation level, extra cargo, road surfaces and weather are everyday limits that play into a tire’s maximum safe speed.
Can I use 235 tires instead of 225?
Are 225 and 235 Tires Interchangeable? Yes, they are. However, this is only possible if your car’s rims can accept the larger millimeter.
Should I get V or H rated tires?
To support running at higher speeds, V-rated tires will have a stiffer sidewall and slightly firmer ride than H-rated tires. For normal driving conditions the H-rated tire will provide a more comfortable ride and the V-rated should give slightly better handling.
What does 70 mean on a tire?
If a tire has an aspect ratio of 70, it means the tire’s height is 70% of its width. Lower aspect ratio tires, such as a 60 series, generally offer vehicle handling performance advantages over higher aspect ratio tires, such as a 75 series, but a typical trade off can be ride harshness. Construction.
What does 108T mean on a tire?
Let’s look at an example. One customer’s SUV has this number on her tires: P245/70R17 108T. The first letter, P, means it’s intended for passenger vehicles. Some tires don’t have any letter at the beginning, which means it’s a metric tire. Some tires may also have LT at the beginning or end, which means “light truck”.
What does 98H mean on a tire?
The Tire Load Index and Speed Rating are part of the tire size. Lets take, for example, tire size 225/50 R17 98H (as pictured above). The 98H at the end represents the service description. The service description is composed of the load index and the speed rating.
Does speed rating matter on tires?
The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds – and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.
What happens if you go over tire speed rating?
Safety advocates and tire experts say that habitually driving faster than a tire’s rated speed can generate excessive heat that damages the rubber, with potentially catastrophic results. … Tires were a factor in 198 of those crashes and 223 deaths.
Can I mix speed ratings on tires?
Just remember, never mix and match tires with different speed ratings on your vehicle. This will cause major problems with the handling of your vehicle. If tires of different speed ratings are mounted on a vehicle, the lower speed-rated tires should be placed on the front axle, regardless of which axle is driven.
Can I mix V and W rated Tyres?
You can invalidate your car insurance by fitting new tyres that have a lower speed rating than the manufacturer’s original fit. … Mixing tyre speed ratings isn’t recommended.
What is the R rating on a tire?
R indicates the construction used within the tires casing. R stands for radial construction. B means belted bias and D stands for diagonal bias construction. 16 The last dimension listed in the size is the diameter of the wheel rim, which is most often measured in inches.
What does 102 mean on a tire?
Tire Load Index Chart
| Load- Carrying Capacity Index Ratings | ||
|---|---|---|
| Load Index | Load (lbs) | Load Index |
| 0 | 99 | 100 |
| 1 | 102 | 101 |
| 2 | 105 | 102 |
How fast can H-rated tires go?
Speed Rating H
If you recall from earlier, the “H” speed rating doesn’t appear after “G” but between “U” and “V.” It represents a maximum speed of 130 mph (210 kph) and is commonly found on sports sedans and coupes.
Can you mix T and H-rated tires?
There’s no problem mixing V & H as long as you don’t exceed the H ratings max speed.
Which designator identifies the maximum weight a tire can safely carry?
How are tires rated? The tire’s load rating, or “max load,” indicates the individual tire’s safe maximum load-carrying capacity when inflated to its recommended pressure.
Can I use 235 55r17 instead of 225 65r17?
Yes. For safety reasons be sure that the replacement tires are rated for both load and speed at or above the specifications for your Vehicle. Be sure to replace the tires in pairs on either the front or rear axles. Failure to do so could cause problems.
Can I use 225 55r17 instead of 225 65r17?
The difference in the dimension of the two tyres is purely in the aspect ratio of the sidewall so the /65 tyres will have a bigger sidewall (note that the number is 65% of the width, not 65 somethings – i.e. 165.75mm vs 140.25mm and that’s effectively doubled because you’re taking radius, not diameter) and therefore …
Do bigger tires give a smoother ride?
While larger-diameter wheels and tires should improve handling and high-speed performance, lower-profile tires also tend to have a firmer ride and may be noisier than the smaller, standard rubber. … Bigger wheels cost more money. The bigger you go, the more expensive the wheels and tires.
