So that is our for dirt bike tires and dirt bike tire sizes. Tires are a personal choice. You will have hours of fun deciding which ones work for you.
Your email address will not be published. Tweet Share Pin it. What do the numbers mean on a dirt bike tire? The width measures in mm — in this case mm The Sidewall aspect ratio height is a percentage figure. It represents the height as a percentage of the tire width. So the sidewall height is also mm The final figure, Rim diameter measures in inches. So, in our example, the tire is meant for a 19inch rim. This tire would have a 90mm width.
So far, so good! What are the other letters and numbers on a dirt bike tire? One thing everyone agrees on is that if you want to take the risk of mixing radial and bias on a dirt bike, or motocross, then remember the adage: RADIAL: REAR — Motocross Advice advises against riding mixed ply tires. Other important information on your motocross tire You may see a DOT rating.
Finding the balance point on a dirt bike tire Many manufacturers will mark a tire at the balance point. Directional dirt bike tires There is one more tire marking to be aware of, and that is a directional marker. Soft dirt bike tire: For sand, very loose powdery surfaces, and loose loam, muddy conditions.
Intermediate dirt bike tire: For a broad range of surfaces where you may encounter sand, mud, loam, packed, and some rocky surfaces. Hard dirt bike tire: To run on Trails, rocky terrain, and routes with tree debris, and other obstacles. We will be back with more Motocross Advice soon. Have fun out there! Post navigation Next Article. Previous Article. Motocross reviews. So, how do you know what dirt bike tire sizes are best for your application?
Another thing you can do is cruise the pits at your local motocross or off-road race and see what tire models and sizes your competition is running. Any or all of these suggestions should put you in the hunt. Dirt Bikes : Motocross Supercross Facebook. Skip to content. Grand Prix. Get Email Updates from Dirtbikes. Enter your email. Although not as profoundly as tire compounds, dirt bike tire sizes can make a difference in how well your machine grabs the ground.
Our goal is to provide the best possible shopping experience to every enthusiast who visits RevZilla. See our customer service page for more details. We're going to have a crash course figuratively speaking! This is literally where the rubber meets the road. One thing they all have in common is that tires are critical components. Like with most of the products we sell, making a good decision when choosing tires is a matter of understanding how you ride, being honest about your intents and abilities, and most importantly, being safe.
How do you know the important stuff about a tire? It's easy. By law, this information is written on the tire sidewall. A quick history lesson before we start decoding: In the old days, there was only one way to size tires — alphanumeric. As increasingly complex tire technology became available, it was evident a new system needed to be cooked up to provide that information to consumers and sellers, so the metric system was developed.
If you run tires like this, give one of our Gear Geeks a call for help obtaining a set. The image at right shows two tire sizes you might see. Let's break down the numbers. The represents the width across the face of the tread in millimeters. This may not be exactly identical from one brand of tire to another. The 90 represents the aspect ratio. The aspect ratio is the height of the sidewall expressed as a percentage of the width. Thus, this tire has a side wall height of 90 percent times mm or mm.
Since that is not the case here, you can be certain this is a bias-ply tire. It's easy to see this tire is made to be mounted on a inch wheel. Other information shown are speed ratings and load ranges.
Load ranges give the maximum weight a tire can carry, and speed ratings list the maximum speed at which the maximum load can be carried. If you cannot find one, just ask us for help!
As long as you stick to the stock size tire that your motorcycle was designed to use, you're good to go. That doesn't mean you can't experiment. Depending on your motorcycle, you may still have a choice of sport tires, designed to provide maximum grip at the expense of tread life, touring tires designed for maximum mileage, or sport-touring tires that strive to provide the best of both.
For adventure bikes, you can choose between tires that are intended as 90 percent street use, 10 percent off road or or some other combination. Of course people love to experiment, and sometimes that means departing from stock tire types and sizes. The most important thing to remember when selecting a tire is something each of our Gear Geeks absorbs to the core, and we encourage our customers to take the same stance: We always will err on the side of safety.
Some ideas kicked off by lone amateurs have been fantastic, while others have caused injury or death. Boy, if only it was that easy! A lot of things need to be taken into account when changing a tire size.
Tires need clearance in many dimensions. You can also convert the metric system into inches. Dirt bike tires come to different sizes due to the difference of trails, routes, and purpose they are made for.
The tire size that works great for beaches might not work well in the rocky mountains. It depends on the rim measurement of your motorcycle. Here is a chart that can help you determine the size that will fit perfectly to your motorcycle rim. The tire width is generally the first number that sits before the aspect ratio and the rim diameter. R stands to mean the radial tire and B stands to mean the bias-ply tire. However, if there is no mention of R, you can think that as a bias-ply tire by default.
Visit your nearest dirt bike tire shop, compare the prices and models to find the cheaper one for you within your budget. You can do the same online. So, have you got a clear understanding of dirt bike tire sizes? Choosing the right dirt bike tire sizes is important for a smooth ride and durability of the tire.
Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Skip to content The numbers and letters that you see on the tires of your dirt bike might seem Greek to you if you do not know what they mean. Decoding the Numbers and Letters A good understanding of the aspect ratio is the key to finding the right dirt bike tire. How do I know what size dirt bike tire I have? Why are dirt bike tires different sizes? What size tire will fit my motorcycle Rim?
How wide is a motorcycle tire in Inches? A motorcycle or dirt bike of mm has a width of 7.
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