What do the Numbers on Tires Really Mean and Why do They Matter?

Choosing the Right Motorcycle Tire Size, Load Ratings, Speed Ratings and More


A tire with a lower aspect ratio responds to lateral force more effectively than a tire with a higher aspect ratio. The aspect ratio affects steering stability. Generally, the shorter the sidewall, or the lower the aspect ratio, the less time it takes to transmit the steering input from the wheel to the tread. The result is quicker steering.

What do the Numbers on Tires Really Mean and Why do They Matter?


It's the height of the sidewall measured from wheel rim to top of the tread, expressed as a percentage of tire width. In this example, the aspect ratio is 65, meaning the sidewall is 65 percent as high as the tire is wide. To get the sidewall height, take the tire width of 215 mm and convert it to inches (8.46). Then multiply this by 65% (.65).

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The tire aspect ratio is the height of the tire sidewall (also known as the profile) compared with the tire width (also known as the tread width). It is represented as a percentage of the tire width. The tire aspect ratio is listed on the side of all tires and is the second number in the tire size sequence. You can see an example tire size in.

What Is Tire Aspect Ratio This number indicates the tires sidewall height from rim to tread


The tire aspect ratio formula is a simple calculation used to determine the percentage representing the tire's sidewall height relative to its width. The formula for calculating the aspect ratio is: Aspect Ratio = (Sidewall Height / Tire Width) x 100. Here, the sidewall height and tire width are measured in millimeters.

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In simple terms, aspect ratio refers to the ratio of a tire's sidewall height to its section width. It is expressed as a percentage. For example, if a tire has an aspect ratio of 60, it means that the sidewall height is 60% of the tire's section width. Definition of Tire Aspect Ratio. Tire aspect ratio is a critical specification that.

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The aspect ratio is a percentage of the section width. So if you have a 70-series tire, that means the sidewall height is 70 percent of the tire's overall width. Aspect ratio for most bias ply tires is somewhere around 80 or 90 percent. Numeric sized tires (such as 6.00-16 or 6.70-15) that end in zero feature a 90-series aspect ratio, while.

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Knowing your wheel size is a start, but when talking aspect ratios, there are some ground rules. Lower aspect ratio tires could run into rubbing issues on the wheel well if they aren't matched correctly with the wheel size. A tire that's too wide or has the wrong aspect ratio for the wheel could mean an awkward and potentially unsafe fit.

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How Aspect Ratio Affects Tire Size. The aspect ratio of a tire is a critical component in determining the tire's size. Specifically, it denotes the height of the tire's cross-section as a percentage of its width. For instance, if a tire has an aspect ratio of 60, this means the height is 60% of the tire's width.

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For instance, in the tire size "205/55R16", the aspect ratio is 55, indicating that the height of the tire's sidewall is 55% of its width.. Lower aspect ratios (e.g., 30 or 40) usually mean the tire has a shorter sidewall, which often results in better handling and stability, especially during cornering at higher speeds..

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The aspect ratio is the height of the tire's sidewall expressed as a percentage of the width. In other words, it's the ratio of the sidewall height to the tire width. For example, a 50-series tire has an aspect ratio of 50%. That means that the sidewall is 50% as tall as the tire is wide. The aspect ratio is important because.

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While we frequently focus on the perfect tire size, the aspect ratio is an equally important factor to take into account. For instance, the ratio would be 65 with the label P215/65R16.. Does a smaller aspect ratio mean shorter sidewalls? On the other hand, tires with a smaller aspect ratio have shorter sidewalls, which improve cornering.

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What Does the Second Number in a Tire Size (Aspect Ratio) Mean? Let's take 235/80R16 as an example. The first number on tire size is the footprint width measured in millimeters, 235 mm in this case. The tire size ratio is the number following that, shown in percentages. This means that the sidewall height is 80% of its width. Lastly, you have.

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Aspect Ratio Tire Size Meaning. The tire aspect ratio refers to the height of a tire sidewall to its width, expressed as a percentage. It is a critical parameter affecting many tire performance aspects, including ride comfort, handling, and fuel efficiency. It is also an essential factor in determining the overall diameter of the tire, which.

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This means, 1) 205 (section width in mm) - It's the total width of the tyre in millimetres. 2) 60 (aspect ratio in percentage) - As explained above, it's the ratio of section height to the section width. 3) R (radial construction) - Denotes that the layers run radially across the tyre. 4) 16 (rim diameter in inches) - The.

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So, what does tire aspect ratio mean? The orange numbers above are the only numbers that we'll need to figure out how tall your sidewall is. The numbers on your tires may be different, but in the example above we're going to use 225 and 65. Remember that 225 is measured in millimeters, and 65 is a percent then punch those numbers into a.

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What Does Aspect Ratio Mean for Tires? Manufacturers print aspect ratios on the tires for you along with other important numbers, including the width and rim diameter of the wheel. Tire aspect ratio is the height of the tire's cross-section off the rim to the width, expressed in a percentage. So a tire aspect ratio of 55 means the height is.