What is Q tire rating?

What is Q tire rating?

Tires with a Q speed rating can safely sustain speeds of up to 99 miles per hour. The tire may be able to reach higher speeds, but traveling at speeds higher than 99 mph for any length of time would be unsafe – the tire is not designed to handle it.

What does 124 mean on a tire?

Here is a complete list of the various tire speed ratings, and their associated letters: S = 112 mph. T = 118 mph. U = 124 mph. H = 130 mph.

What is a 125 Q tire?

125 denotes that each tire can carry 3638 pounds at the maximum inflation pressure. “Q” refers to the tire’s speed rating. In this case, the tire is rated at 99 mph for continuous use. The higher the letter, the faster the tire is rated to travel.

What is a 121 Q rated tire?

121 is the load rating, which is like 3150 pounds per tire. Q is the speed rating, which is 99 mph.

What does speed rating Q mean?

Say you have Q-rated tires. The “Q” means that, in a controlled environment, your tires can safely handle speeds of up to 100 miles per hour. Q-rated tires are simply not designed to handle the pressure of going faster than 100 miles per hour for extended periods or distances.

What do letters on tires mean?

The letter is the speed rating, or the maximum speed the tire is built for. As an example, a tire rated 90R could safely carry 1,323 pounds and travel at 106 mph. Consult a load and speed index to find out what your tire’s specific rating means.

What is tire 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.

What does 101V mean on a tire?

If the tyre reads 255/40 R20 101V: 255. Refers to the width of the tyre, measured in mm. 40. Is the height/profile aspect ratio as a percentage of the width of the tyre.

What is a 121 load rating?

The rating of 121 shows that it has a load capacity of 3297LBS. Multiply that by four tires (4 x 3,297 = 13,188 pounds) to get your vehicle’s max load carrying capacity. Always remember to install tires that have a load index that is equal or greater than your original factory-installed tires.

What does 105V mean on a tire?

205 / 55 / R18 105V. This code indicates the maximum load that a tyre can carry and relates to the table below. For example, using the table, if a tyre has a load index of 105 then the maximum load would be 925kg.

How do you decode tires?

The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.