# What Does R17 Mean on Tires

R17 is a code that is stamped onto tires to indicate their size. The number “17” refers to the diameter of the tire in inches, while the letter “R” stands for radials. Radial tires are the most common type of tire used on passenger vehicles.

They are characterized by having steel belts that run around the circumference of the tire. These belts help to provide strength and durability.

R17 is the designation for tire sizes that are 17 inches in diameter. These are typically used on SUVs and trucks, as they provide a comfortable ride and good handling. Many R17 tires also have a load rating of XL, which means they can handle heavier loads than standard passenger tires.

If you’re looking for new tires for your SUV or truck, be sure to check out the selection of R17 tires available from your favorite tire retailer.

## Numbers on Tires Meaning

The numbers on tires can tell you a lot about a tire. They can indicate the size, speed rating, and load capacity. But what do all those numbers mean?

The first number on a tire is the width. This is measured in millimeters from sidewall to sidewall. The second number is the height, or aspect ratio.

This is a percentage of the width, so it’s easy to calculate. Just divide the second number by the first. For example, if your tires are marked 225/50R16, the 50 would be half of 225, or 112.5 mm.

The third number is the wheel diameter, and it’s also in inches. In our example above, 16″ wheels are implied by the R after the size designation. This R means “radial” construction as opposed to an earlier bias-ply design.

.
Now let’s talk about load index and speed rating symbols that may also be present on your tires:
LI = Load Index (range: 0-279) – An assigned numerical value ranging from 0-279 which corresponds with the maximum load carrying capacity of a tire (ex: 90 = 1,323 lbs).

SI = Speed Symbol (range: L-Y) – A single letter code (L, M, N etc…) which corresponds with a particular speed limit at which a tire can carry a specific load under specified service conditions (ex: Y = 186 mph).

## What Does R Mean on a Tire

If you’ve ever seen a car with the letters “R” and “P” on the tires, you may have wondered what they mean. The “R” stands for radial, while the “P” denotes a passenger tire. Radial tires are made with reinforcing belts running perpendicular to the tread, while passenger tires are constructed with crisscrossing belt layers.

This gives radial tires superior strength and durability, making them ideal for high-speed driving and long-distance travel. Passenger tires, on the other hand, are designed for shorter trips at lower speeds.

## What Does C Mean on a Tire

If you’ve ever looked at the sidewall of a tire, you may have noticed a small letter C printed on it. But what does that C mean?
The C stands for “commercial,” which means that the tire is designed for use on commercial vehicles like trucks and buses.

Commercial tires are different from passenger car tires in several ways. They’re usually wider and have thicker treads to provide better traction and durability. They also have higher load ratings to accommodate the heavier weight of commercial vehicles.

So if you see a truck or bus with tires that have a C printed on them, now you know why!

## What Does 100V Mean on a Tire

When you’re shopping for tires, you’ll see a lot of numbers and letters. One of the numbers you’ll see is the tire’s voltage rating, which is shown as a number followed by the letter “V.” The voltage rating is an important part of choosing the right tire for your vehicle.

So, what does 100V mean on a tire? This means that the tire can handle up to 100 volts of electricity. The higher the voltage rating, the more resistant the tire is to electrical damage.

If you’re not sure what voltage rating you need, it’s best to consult with a professional. They can help you choose the right tires for your specific vehicle and driving needs.

## 91V Tire Meaning

If you’re a driver, chances are you’ve seen the letters “P” and “S” on your tires. These signify the type of tire-passenger or standard and summer or all-season. But what does the 91V on some tires mean?

The 91V is simply a speed rating for the tire. The higher the number, the higher the speed rating. In this case, 91V means that the tire can handle speeds up to 149 mph.

While most of us will never drive that fast, it’s good to know that our tires can handle it in case we ever find ourselves on an empty stretch of highway with no speed limit!

Credit: www.utires.com

## What Does the 265 70R17 Mean?

When it comes to shopping for tires, you may come across a designation such as 265 70R17. But what does this mean? In short, the 265 is the width of the tire in millimeters, while the 70 is the aspect ratio.

The R indicates that it is a radial tire, and finally, the 17 is the diameter of the wheel rim in inches.
To understand what this all means in terms of performance, we need to take a closer look at each element. First, let’s start with tire width.

This measurement refers to the distance from one sidewall of the tire to the other. A wider tire will typically offer better traction than a narrower one, but may also be more susceptible to hydroplaning on wet roads.
The next number, 70, refers to what’s known as an aspect ratio.

This is simply the height of the sidewall expressed as a percentage of the width. In our example above, that would mean thatthe sidewall height is 70%of265mmor 185mm (7 inches). A higher aspect ratio like this results in a taller sidewall which can help smooth out bumps in the road surface.

It also provides additional protection for wheel rims when driving over potholes or other obstacles.
The final letter in our example – R – stands for radial construction. This means that cords insidethe tire run radially from beadto beadrather than crisscrossing as they do in bias-ply tires.

Radial tires offer several advantages over bias-ply designs including improved fuel economy and longer tread life due to reduced heat build-up withinthe tire itself
Now that we know how to interpret these numbers and letters, let’s put them together into something meaningful: Our 265 70R17example would indicatethe following attributes:
* Tire width: 265 mm

* Aspect ratio: 70%
* Rim diameter: 17 inches

## What Do the 3 Numbers Mean on Tire Size?

When you’re looking at the size of a tire, you’ll see a series of three numbers. These numbers represent the width, height, and diameter of the tire, respectively. The width is the measurement from one sidewall to the other, while the height is the distance from the edge of the rim to the top of the tread.

The diameter is simply how big around the tire is.
The width and height are important because they affect how your car handles. A wider tire will provide more grip and stability, while a taller tire will offer better traction in deep snow or mud.

The diameter is important because it needs to match up with your car’s wheel size. If it’s too small, it won’t fit properly; if it’s too large, it could rub against your vehicle’s bodywork or suspension components.
Now that you know what those numbers mean, you can start shopping for tires that are best suited for your car and driving habits!

## What Does 225 50R17 Mean in Tires?

225 50R17 is a common tire size designation. The 225 means that the tire has a width of 225 mm. The 50 is the aspect ratio, which indicates that the sidewall height is 50% of the width.

The R stands for Radial, and 17 is the diameter of the wheel in inches.

## What Do Tire Numbers Mean?

The numbers on a tire’s sidewall provide important information about the make, model and size of the tire. Here’s a breakdown of what the numbers mean:
Tire width: The first three digits indicate the width of the tire in millimeters.

For example, a 245/45R18 tire has a width of 245 mm.
Aspect ratio: The next two digits are the aspect ratio, which is the height of the sidewall as a percentage of the width. In our example, the 45 indicates that the sidewall is 45% as tall as it is wide.

A lower aspect ratio results in a shorter sidewall and a wider tire.
Construction type: The letter R in our example indicates that this is a radial tire (the most common type). Other letters you might see are D (for diagonal or bias-ply tires) and B (for belted tires).

Wheel diameter: The last two digits indicate the wheel diameter in inches. Our example shows an 18-inch wheel.

## How to Read a Tire Size & Understanding a Tire Sidewall – ABTL Auto Extras

## Conclusion

The R17 designation on a tire means that the tire has a 17-inch diameter. The R17 designation is most commonly seen on passenger car tires, although it is also used on some light truck tires. Tires with a smaller diameter, such as 16-inch or 15-inch tires, are typically used on smaller vehicles, such as compact cars.

Tires with a larger diameter, such as 18-inch or 20-inch tires, are typically used on larger vehicles, such as SUVs and pickups.