What Do the Letters Mean on Motorcycle Tires
Motorcycle tires have a lot of information printed on them. Most motorcycle riders know that the numbers indicate the tire’s width and height, but what do all the other letters mean? The load index is a number that corresponds to the maximum weight that the tire can support when inflated to its recommended pressure.
The speed rating is a letter code that corresponds to the maximum speed at which the tire can be used safely. Here is a breakdown of what all those letters on your motorcycle tires mean.
Have you ever wondered what those letters on your motorcycle tires mean? If you’re like most riders, you probably just ignore them. But if you take a closer look, you’ll notice that there’s a lot of information encoded in those letters and numbers.
Here’s a quick guide to help you decode the mystery of motorcycle tire markings.
The first letter or group of letters indicates the width of the tire in millimeters. The second number is the aspect ratio, which tells you the height of the sidewall as a percentage of the width.
The third number is the construction type. “R” means radial, while “B” means bias-ply. Finally, the last two numbers indicate the diameter of the wheel in inches.
So, for example, a tire marked “120/70 R17” would have a width of 120mm, a sidewall height 70% of that width, a radial construction, and would be designed to fit onto a 17-inch wheel. Easy peasy!
Now that you know how to read motorcycle tire markings, you can make sure you’re choosing tires that will fit your bike and riding style.
Be sure to consult your owner’s manual or an expert before making any changes to your bike’s tires.
Letters, numbers and symbols on a motorcycle tire and their meaning!
What Does 73W Mean on a Motorcycle Tire
When it comes to motorcycle tires, there are a few different things that you need to take into account. One of those things is the load rating, which is represented by a number and a letter. For example, 73W on a motorcycle tire means that the tire can support up to 735 kg (1600 lbs) at a speed of 168 km/h (105 mph).
This is important to know because it will affect how your motorcycle handles and how long your tires will last.
Credit: www.chapmoto.com
What Does H Stand for on a Motorcycle Tire?
On a motorcycle tire, the “H” stands for “high speed.” This designation is given to tires that are designed for speeds above 120 mph. These tires typically have a higher load rating and a harder compound than other tires, which makes them more resistant to wear and tear.
What Does 74H Mean on a Motorcycle Tire?
When it comes to motorcycle tires, there are a variety of different codes and numbers that can be confusing for those who are not familiar with them. One such code is 74H, which indicates the tire’s load index and speed rating. Here’s a closer look at what this code means and how it can affect your motorcycle riding experience.
The load index is represented by a number between 70 and 129 and corresponds to the weight that the tire can safely carry. For example, a tire with a load index of 74 can carry up to 690 kg (1,500 lb). The speed rating is represented by a letter from A (the lowest) to Z (the highest) and indicates the maximum speed at which the tire can be used without losing its grip.
For instance, a tire with a speed rating of H can be driven up to 130 km/h (80 mph).
It’s important to note that while the load index and speed rating are assigned by the manufacturer, they may not always match up perfectly with your individual motorcycle. Always consult your owner’s manual or an experienced professional before making any changes to your tires.
What Do the Letters And Numbers Mean on Motorcycle Tires?
If you’re new to motorcycle tires, all the letters and numbers on them can be pretty confusing. But they actually provide important information about the tire that can help you choose the right one for your bike. Here’s a quick guide to what all those markings mean.
The first letter on a motorcycle tire is the type of construction used. “R” means radial, “B” means bias-ply, and “D” means diagonal. Radial tires are by far the most common type these days, so unless your bike specifically calls for bias-ply or diagonal tires, you’ll probably want to stick with radial.
The next letters indicate the width and aspect ratio of the tire. The width is always given in millimeters first, followed by an “/”. The aspect ratio is simply the height of the sidewall as a percentage of the width.
So if you see a tire marked 110/80-18, that means it has a width of 110mm and an aspect ratio of 80%. That “-18” at the end just denotes the diameter of the wheel that this particular tire size will fit (in this case, 18 inches).
After that is a two-digit number known as load index.
This is basically a measure of how much weight each tire can support safely. The higher this number is, the more weight it can carry without being overloaded. Most passenger car tires have load indices between 60 and 100; for motorcycles, though, you’ll usually see load indices between 40 and 90 since they don’t have to support as much weight as cars do.
Finally, there’s another two-digit number known as speed rating. This indicates how fast each tire can safely go without being damaged by excessive heat buildup from friction. For instance, a speed rating of “91” means that tire can travel up to 149 mph before things start getting too hot inside it!
What is the Letter in Motorcycle Tires?
The letter in motorcycle tires usually indicates the tire’s width. For example, a “120/80” tire is 120 millimeters wide and 80 millimeters tall. The second number (80) is called the “aspect ratio” and it’s a percentage of the width (120).
So, 80% of 120mm is 96mm. That’s the height of the sidewall or the distance from the edge of the wheel to where the tread meets it.
Conclusion
On a motorcycle, the letters indicate the bike’s tire size. The first letter is the tire width, while the second and third letters are the aspect ratio. The fourth letter denotes the construction type of the tire, while the last two numbers indicate the inner diameter of the wheel that it will fit on in inches.
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