Can I put 27.5 wheels on a 26 bike?

If you’re looking to upgrade your 26 inch bike to 27.5 inches, you may be wondering if it’s possible to put 27.5 wheels on a 26 inch bike frame. 

Yes, it is possible to switch your bike’s wheels without changing the frame. You will just need to make sure that there is enough clearance between the wheel and the frame by adjusting your disc brakes or changing your geometry..

In this article, I will discuss how to Install 27.5 inch wheels on a 26 inch frame with pros and cons of upgrading to 27.5 wheels on a 26 inch bike. And I will help you decide if it’s the right decision for you!

Can I put 27.5 wheels on a 26 bike ?

27.0 vs 26” bike wheel diameter

The debate between 27.0 and 26” bike wheels is one that has been around for years, with no clear consensus. Both have their advantages and disadvantages, so it ultimately comes down to personal preference.

27.0 bike wheel diameter

A 27.0 wheel size typically refers to a road bike wheel size, also known as 700c. The diameter of a 27.0 wheel is approximately 27 inches or 700 millimeters. This wheel size is commonly found on road bikes and offers a balance between speed and efficiency on paved roads.

26” wheels diameter

On the other hand, a 26” wheel size refers to a standard mountain bike wheel size. The diameter of a 26-inch wheel is approximately 26 inches or 559 millimeters. This wheel size is commonly used in mountain bikes and provides stability, maneuverability, and durability on rough terrains and trails.

26 to 27.0 conversion list 

If you’re interested in converting your 26 inch bike to 27.0 inches, here is an essential list of the components you will need: 

Here is a list of the most common conversions between 26 and 27.0.

  • Inches to centimeters: 26 inches is equal to 66.04 centimeters.
  • Pounds to kilograms: 26 pounds is equal to 11.79 kilograms.
  • Fahrenheit to Celsius: 26 degrees Fahrenheit is equal to -3.33 degrees Celsius.

How To Convert 27.5 wheels on a 26 bike-inch Frame ?

If you’re wondering how to put 27.0 inch wheels on a 26 inch frame, it’s not too tricky – but there are a few things you need to keep in mind.

Step 01: Create enough clearance

The first step in converting to 27.0 inch wheels is ensuring that your bike frame has enough clearance. With a hardtail frame, the smaller 26 inch wheels may not have enough space between the frame and tires.. 

To check for clearance, measure the distance between the tire and the frame at various points on the bike.

Step 02: Adjusting Disc Brakes

If you need to adjust your disc brakes, it’s a relatively simple process. Adjust the brake calipers by loosening the screws and moving them closer or further away from the wheel.

Make sure to test the brakes after making any changes to ensure they are still functioning correctly.

Step 03: Changes Geometry

Another thing to consider when converting to 27.0 inch wheels is the geometry of your bike. Depending on your frame and riding style. To ensure proper handling, you may need to adjust the head tube angle, bottom bracket height, or other geometry parameters.

If you’re not sure how to make these changes, it’s best to consult with a professional before making any modifications.

As you can see, there are a few things to consider before converting your 26 inch bike to 27.0 inches.

However, You can fit 27.0 inch wheels on a 26 inch frame if you’re willing to make adjustments. So, if you’re looking for a smoother ride and better handling, consider making the switch!

Advantages of Converting To 27.5-inch Wheels on a 26 bike

27.5-inch wheels are becoming increasingly popular on mountain bikes, and for good reason. They offer a number of advantages over traditional 26-inch wheels, including improved traction and stability.

Converting your 26-inch mountain bike to 27.5-inch wheels can be a great way to improve your ride quality and performance on the trail.

Here are a few of the main advantages of making the switch:

Increased Traction and Grip

One of the biggest benefits of 27.5-inch wheels is the increased traction and grip they offer. The larger contact patch of the tires provides more grip on loose and slippery surfaces, making it easier to keep your bike under control.

Improved Stability

The increased size of 27.5-inch wheels also lends itself to improved stability on the trail. The larger wheels are less likely to get caught up in roots and rocks, and they offer a more comfortable ride over rough terrain.

Enhanced Cornering Performance

Another advantage of 27.5-inch wheels is enhanced cornering performance. The increased size of the contact patch provides more grip when cornering, allowing you to take corners at higher speeds with confidence.

Better Rolling Efficiency

27.5-inch wheels also roll more efficiently than smaller wheels. The increased circumference of the tires helps to keep them rolling faster, even over rough terrain. This can help you conserve energy on long rides and make pedaling easier.

Softer Ride Quality

The larger size of 27.5-inch wheels also results in a softer ride quality. The increased volume of the tires helps to absorb bumps and vibrations, making for a more comfortable ride.

If you’re looking for ways to improve your mountain bike performance, converting to 27.5-inch wheels is a great option. The increased traction, stability, and rolling efficiency can help you take your riding to the next level.

Disadvantages of Converting To 27.five-inch Wheels:

  • Converting a 26-inch bike to 27.five-inch wheels can be expensive and time-consuming.
  • You may need to purchase new tires, rims and spokes if you convert to 27.five-inch wheels.
  • Your bike will be less stable at high speeds with larger wheels.
  • 27.five-inch wheels are not as standard as 26-inch wheels, so you may have trouble finding replacement parts when needed.

If you’re thinking of converting your 26-inch bike to 27.5-inch wheels, weigh the pros and cons carefully before making a decision. While there are some advantages to larger wheels, there are also some disadvantages that you should be aware of.

People also ask

How much bigger are 27.0 wheels than 26?

27.0 wheels are about 2.54 cm or 1 inch bigger than 26 wheels. This difference in size can be attributed to the extra width of the 27.0 wheels.

Will a 650b tire fit a 27.5 rim ?

The answer to this question is a bit complicated. It depends on the width of the tire and rim and the specific 650b and 27.05 tires and rims you have. 

Generally, however, a 650b tire will fit on a 27.05 rim. There are a few exceptions to this rule, so it’s always best to double check before you make a purchase.

Can you put 27.5 wheels on a 29er?

The answer is yes; you can put 27.5 wheels on a 29er mountain bike. Doing so will give your bike a bit of extra agility and make it easier to roll over obstacles. 

Remember that not all 29er frames are compatible with 27.5 wheels, so check with the manufacturer first. Also, remember that you may need to adjust your suspension and gear to account for the smaller wheels. 

Overall, though, converting to 27.5 wheels can be a great way to improve your mountain biking experience.

Are 27.5 wheels good?

It depends on personal preferences and riding style. However, some riders prefer 29er wheels for their increased speed and traction, while others prefer 27. 

Ultimately, it is up to the rider to decide what works best for them. Test ride different sizes and models to find the best fit for your riding style.


So, can you put 27.5 wheels on a 26 bike? The answer is yes, with a few caveats. Adjust your disc brakes or change your geometry to allow enough clearance between the frame and the new wheel.

If you have a 650b tire, it may not fit on a 27.5 rim – so be sure to check before making any changes. Converting to 27.5-inch wheels can offer advantages over staying with 26 inch wheels – like increased traction and improved ride quality. 

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