Harley Davidson Axle Size Chart

Harley Davidson Axle Size Chart

The Harley Davidson Axle Size Chart is a guide to help riders determine the size of their axle. It includes four categories: front and rear wheels, brake rotor, and tire sizes. The chart also includes information about thread type and measurements for proper fitment.

For instance, the front wheel requires 3/4″ x 24 TPI (threads per inch) while the rear wheel requires 1″ x 20tpi threads. The brake rotor sizes are 11.5” (front) and 11” (rear). Lastly, tire sizing ranges from 130/90-16 (front) to 150/80-17 (rear).

It is important to refer to this chart when considering purchasing replacement components or changing out existing parts in order to ensure compatibility with your bike’s design specifications.

If you’re a Harley Davidson fan, then you know that there are a variety of axle sizes available for your ride. But which one is right for your bike? To help make this decision easier, we’ve put together a helpful Harley Davidson Axle Size Chart to guide you through the process.

The chart shows all the different axle sizes and their respective measurements. This includes information regarding length, width, diameter, and threading type. Having this information readily available in an easy-to-read format makes it much simpler to pick out the correct size for your specific needs.

Plus, if you ever need to replace or upgrade your axles in future years, this chart can be used as a reference when selecting new parts. It’s important to remember that not all Harley Davidson models use the same axle size; so make sure to double-check with the manufacturer before making any purchases. Additionally, consider consulting with an experienced mechanic who can provide additional advice on which size will work best for your bike’s particular setup and design criteria.

We hope that our handy Harley Davidson Axle Size Chart helps take some of the guesswork out of finding just what you need!

Harley Davidson Axle Size Chart

Here is a Harley Davidson Axle Size Chart for some common models:

  • Sportster (2000 and later): 1 inch (25.4 mm)
  • Dyna (2006 and later): 25 mm
  • Softail (2000 and later): 1 inch (25.4 mm)
  • Touring (2000 and later): 1 inch (25.4 mm)
  • V-Rod: 25 mm

Please note that this chart is not exhaustive and may not include all Harley Davidson models. It’s important to always double-check the specific axle size for your particular bike.

When Did Harley Switch to 25Mm Axles?

Harley-Davidson recently made the switch to 25mm axles as part of its ongoing commitment to ride quality and enhanced performance. The change was introduced in 2014 when Harley began manufacturing its Touring bikes with a larger diameter axle than previously used on other models. The shift from 20mm to 25mm axles was largely driven by the need for improved durability and stability.

Allowing for a larger bearing surface area helps reduce stress on components, which translates into increased reliability and longevity. Additionally, the wider width of 25mm axles increases handling capabilities, providing more precise cornering and overall improved maneuverability without sacrificing comfort or ride quality. This isn’t the first time that Harley has switched up its axle size; in fact, they have been continuously evolving since the company’s inception back in 1903 when it used 17 mm axles.

Over time their axles were increased to 19 mm and then again to 20 mm until finally reaching today’s standard of 25 mm.

What Size Axle is on a 2006 Harley?

If you’re the proud owner of a 2006 Harley, then you likely want to know what size axle is on your bike. There are several factors that determine the size of an axle, including the model and year of your bike as well as other components used in its construction. That said, many 2006 Harleys come equipped with a 1-inch diameter rear axle shaft.

The axles on modern motorcycles are typically made from hardened steel alloy for strength and durability. Depending on the model, various sizes may be used depending on weight and power distribution requirements. For example, some Softail models such as Heritage Classic or Deluxe feature a one-and-a-half inch diameter rear axle while others such as Low Rider S or Breakout have an increased two-inch diameter shaft to handle higher torque levels associated with those models’ larger engine sizes (107 cubic inches).

In addition to determining compatibility between wheels and frames when making upgrades or repairs to your motorcycle, it’s important to ensure that any new parts match up correctly with existing components like sprockets and brakes/rotors where applicable.

What are the Dimensions of a Harley Front Wheel Bearing?

The Harley front wheel bearing is a critical component in the overall performance of your motorcycle’s suspension system. It provides stability and helps keep the wheels aligned, ensuring that your bike runs smoothly. The dimensions of this important part vary depending on the model and year of your Harley-Davidson, but all are designed to fit within standard sizes for motorcycles.

For most models, including Softail, Touring, Dyna, and Sportster lines from 2000 onward, the inner diameter (ID) measures 25mm while the outer diameter (OD) is 52mm. The width measurement across both sides is 15mm. These measurements are applicable regardless of whether you have an aluminum or steel wheel installed on your bike; however other sizes may be available depending on which type you have fitted.

It’s also worth noting that some older models have slightly different specifications with regards to their front wheel bearings – namely those produced prior to 2000 when metric sizing wasn’t introduced yet as standard practice by Harley-Davidson. For example, 1991 Sportsters feature a 22mm ID with an OD measuring 50mm and a width measurement of 12mm across both sides respectively. Be sure to check what size you need before ordering replacement parts!

What Size Axle is on a 2004 Fxd?

If you’re looking for the axle size on a 2004 Harley-Davidson FXD, you can find it with just a few clicks. The rear wheel of the 2004 FXD is equipped with an OEM 25mm diameter axle and its length is 5.5 inches (139.7 mm). This axle size has been used on all models in the FXD line since 2003, so if your bike was produced before that year, then it will likely have a different size axle.

The importance of knowing what size axle is on your motorcycle cannot be overstated as having the wrong-sized axle can cause major issues when attempting to install new wheels or other components. It’s always best to confirm the correct part number before ordering any replacement parts so that they fit correctly and provide maximum performance potential from your ride.

In addition to having an appropriate sized axle, there are also some other important factors to consider when installing aftermarket wheels or components onto your motorcycle such as ensuring proper tire clearance within frame and fender structures as well as making sure that brakes are properly adjusted for optimal stopping power and maneuverability while riding your bike safely at higher speeds or under more extreme conditions than normal street riding would require.

Harley Davidson Axle Size Chart
Harley Davidson Axle Size Chart

Harley 1 to 3/4 Axle Conversion

Harley Davidson is known for its iconic motorcycles, but if you’ve ever wanted to customize your bike, then you might be interested in the Harley 1 to 3/4 axle conversion. This conversion allows riders to replace their existing rear wheel axles with larger and more robust three-quarter-inch axles that are specifically designed for heavy motorcycles. By doing this, they can add extra strength and stability to their rides while still maintaining a classic Harley look.

The first step of the process is removing the old axle from your bike. You will need an adjustable wrench or a socket set for this task, so make sure you have one on hand before beginning work. After unscrewing all the bolts holding it in place, slide out the old axle and discard it safely.

Now it’s time to install the new three-quarter-inch axle into place. To do this, measure twice and cut once by measuring out exactly where you want your new axle installed on your frame or swingarm (the part of your motorcycle which holds up the back wheel).

Harley Rear Axle Size

If you’re looking to customize your Harley-Davidson motorcycle, chances are you’ve come across the question of what size rear axle it has. Knowing the exact size of your bike’s rear axle is essential for properly fitting aftermarket parts such as wheels and brakes. Fortunately, understanding what size axle your Harley needs isn’t too difficult – all you need to do is locate a few numbers on the frame and consult a chart that matches those numbers with an axle size.

The first thing needed when trying to determine the correct rear axle size for a Harley-Davidson is finding two numbers stamped into the frame near where the swingarm connects with it. The first number will be between 2 and 6 digits long, while the second one will typically only be 4 digits long (sometimes less). These two numbers can give us some insight into which model year of bike we have as well as its approximate wheelbase length in inches – but not necessarily its exact rear axle measurement.

That’s why cross-referencing these codes against an online chart or manual is important; each different model year may call for different sizes, so it’s best to make sure you have this information before making any purchases!

Harley Davidson Front Axle Size Chart

If you’re a Harley Davidson fan, then you know the importance of having the right front axle size for your bike. A too-small axle won’t provide enough stability, while an overly large-one can cause serious damage to your vehicle. The good news is that there are plenty of resources out there to help you determine the correct size for your ride.

That’s why we’ve put together this handy Harley Davidson Front Axle Size Chart so that you can easily find what works best for you and your motorcycle! When it comes to finding the proper fitment, it’s important to consider both wheel diameter and width as well as axle length. The wheel diameter is measured in inches, while width refers to how wide or narrow each tire is compared to its height (also known as aspect ratio).

It’s also important to note whether or not the wheels have been rotated since they were installed on the bike—this affects which side of the bike needs a longer axle shaft (the left side typically requires more length than the right due to centrifugal force during rotation).


Hey there! If you’re looking for information on the Harley Davidson axle size chart, then you’ve come to the right place. To make it easy, we’ll break down all the important details so you can decide which one is best for your bike.

Harley Davidson offers several options when it comes to axle sizes. The front wheel has a 3/4-inch axle and the rear wheel has a 5/8-inch axle – both of which are standard sizes. Depending on your model and year, some bikes may have an optional larger 1-inch diameter front wheel or 7/8-inch rear wheel axles available as well.

Additionally, if you have an older bike that doesn’t use these sizes, there are aftermarket axle kits available too. The most important factor when choosing an axle size is making sure that the width of the bearings matches up with your wheelset’s hub size – otherwise they won’t fit properly! Be sure to double-check before purchasing any new parts or accessories for your ride.

Finally, don’t forget to consider how much weight will be going through each part since heavier loads require bigger axles in order to handle them safely and securely.


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