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Offroad & Motocross Tire Guide

RM YouTube Channel

Dirt Bike Tires

Looking for dirt bike tires? Rocky Mountain ATV/MC carries over 100 off-road tires for a variety of bikes and riding preferences. Use the filters on the left-hand side of the screen to narrow our selection down by terrain type, tire size, brand and price. You can also enter your motorcycle’s make, model and year at the top to specifically identify tires that will fit it.

Need additional help in finding the right tire? Check out our tips and info below. We want to make sure that you have everything you need to purchase the right tire for you.

Terrain Type

When it comes to buying dirt bike tires, the main thing you want to focus on is the terrain type you expect to ride on. Street motorcycles basically have to worry about one type of terrain: asphalt. Dirt bikes, on the other hand, are designed to traverse numerous types of terrain: rocky trails, forest paths, loamy soil, dirt roads, sand, mud, motocross tracks, slickrock and a lot more (and that’s not even counting if your bike is street legal and will also see asphalt).

There are three primary types of dirt bike tires: soft terrain, intermediate terrain and hard terrain. By choosing the one that best describes your type of riding, you can get a tire that will perform well for you.

The primary difference between these three types of tires is the tread pattern. Soft terrain tires have wider-spaced lugs. This allows the tread to penetrate soft soil, increasing the overall rubber contact but also allowing the tire to somewhat “scoop” the softer terrain. Hard terrain tires, on the other hand, must get as much rubber as possible to the terrain’s surface. For this reason, they typically have narrower-spaced lugs. As you might expect, intermediate terrain tires lie in-between.

Recommendations

So which type of tire should you choose? If you don’t already feel confident that you can match up a tire type to your type of riding, here are a few tips:

  • If you find yourself in sand, mud or looser soil, consider a soft terrain tire.
  • If you frequent the motocross track or ride trails with varying conditions, consider an intermediate terrain tire.
  • If you ride almost exclusively on packed soil or slickrock, consider a hard terrain tire.
  • If you tend to ride on a wide variety of terrain types and don’t focus on just one, consider an intermediate terrain tire.

Rubber Compound

The rubber compound is also very important. Soft rubber grips the terrain better, therefore providing superior traction. Hard rubber compounds aren’t as grippy, but they typically last a lot longer.

Specialty Tires

Of course, there are also specialty tires as well. If you ride exclusively in the sand, soft terrain tires are nice, but quality paddle tires are best. The difference is that while some sand tires (particularly paddle tires) work excellently in sand, they don’t always work well at all on other types of terrain. Soft terrain tires, on the other hand, work fine in the sand, but they also work well on other types of soft terrain as well.

Trials tires are a must for trials bikes, but they can also be used on traditional dirt bikes as well. If you ride exclusively on hard terrain, you might find that trials tires give you even better traction than standard hard terrain tires.

If your bike is street legal and you plan on riding on the road as well, make sure you pick up a set of DOT-approved tires.

Air Pressure

To make sure you get the longest life out of your tires as possible, use the correct tire pressure. Overinflated or underinflated tires will wear faster and can also be more prone to accidents. Check your owner’s manual for the correct psi.

Tire Size

Don’t forget to get the right size. Check your owner’s manual to find out the recommended tire size. All modern dirt bike tires utilize a three-number system to indicate size, such as this: 80/100x21.

  1. The first number (80) indicates the tire width, measured in millimeters.
  2. The second number (100) is the tire height from bead to centerline, expressed as the width/height aspect ratio.
  3. The third number is the rim diameter, measured in inches.

So a size of 80/100x21 is a tire designed for a 21-inch rim that is 80 mm wide and 80 mm tall (100% of the width).

Some sizes will also indicate ply construction. Radial tires include the letter R after the second number. While radial tires are common for street bikes, many dirt bike tires still use bias tires, which do not include a letter in the tire size. (If the tire size includes the letter B, that means it’s bias belted. You won’t see this ply construction on pure dirt tires, but you might see them on a few dual sport tires.)

Sometimes additional information is also included. A fourth number combined with a letter indicates the load and speed ratings. The number/letter combination is actually a code, so you’ll have to compare it to our load index and speed ratings charts.

Buy Dirt Bike Tires

We make it easy for you to find the right tire, and we always carry an extensive selection of dirt bike tires at low prices. With our emphasis on customer-centric programs and support, there’s no better solution than Rocky Mountain ATV/MC.

Browse our selection now, and pick out your next set of tires today!

Latest Dirt Bike Dirt Bike Tires - All Reviews – You could win up to $500 for reviewing products!

  • Michelin AC10 Dual Sport Tire

    Michelin AC10 Dual Sport Tire

    Paul in AZ

    Tire

    So far so good after one ride, feels good on the road and hooks up on the dirt. Best of all it's cheaper here at Rocky Mountain.

    Read All Reviews
  • Dunlop MX11 Geomax Sand/Mud Tire

    Dunlop MX11 Geomax Sand/Mud Tire

    Gordy in MI

    If you have never tried one.....step up, you'll be glad you did.

    Read All Reviews
  • Dunlop D803GP Trials Tire

    Dunlop D803GP Trials Tire

    BARRY in WA

    Great

    Have been riding trials vintage and modern for many years the old Dunlop 803s were great but not as grippy as the Michelan. The 803GPs are less money and work as good maybe better in some places than the higher priced tires

    Read All Reviews
  • GoldenTyre GT216AA Enduro Tire

    GoldenTyre GT216AA Enduro Tire

    Jason in CA

    Excellent tire for single track/ hard enduro use.

    I have about 20 hours on this tire. I ran the 90/100 fatty size this winter on mostly very muddy, rutted, rock and root infested steep single track. The side hill traction and braking control are exceptional and noticeably much better than the stock Dunlop. Most impressive and noticeable is this fatty tires size absorbs sharp edge hits from rocks roots etc very well without bouncing or deflecting off obstacles. It even offers a little extra cushion when landing hard jumps. I ride pretty hard and bottom my forks everytime I ride. I have found no downsides to this tire size that others have complained about. I am running a tubelis tire system with 8 psi in the front. My suspension is very well balanced and set up. I only gave this tire three stars for Value since it is expensive but not less because it is an exceptional performer.

    Read All Reviews
  • Dunlop Geomax AT81 Tire

    Dunlop Geomax AT81 Tire

    Dana in OR

    AT81 is the best tire for me

    The AT81 has become my go to tire for all conditions. I mainly ride woods so with the tubliss system I Can adjust air pressure in seconds for the type of terrain changes. Heavy duty and lasts a long time

    Read All Reviews
  • Dunlop MX52 Geomax Intermediate/Hard Terrain Tire

    Dunlop MX52 Geomax Intermediate/Hard Terrain Tire

    Michael in NY

    Very satisfied

    Fast delivery, very happy cheaper then other sites Thank RM!!

    Read All Reviews
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