Mountain Bike Handlebar Width Calculator

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HOW TO USE:

THE ONLINE MTB HANDLEBAR WIDTH CALCULATOR

First, it's important to note that every rider is built differently, which is why handlebar width should depend on the rider's body size. Other main factors to consider are mountain bike discipline and personal preferences. Generally speaking, downhill riders will want slightly wider handlebars to help with stability. However, the trade-off with wide handlebars is that narrow bars are easier to push, pull and maneuver.

While making this MTB handlebar width calculator we took into account the average rider's shoulder width in relation to their height and riding type. Despite being fashionable to ride a super-wide handlebar it can actually be detrimental to a person riding and can cause injuries if their bars are too wide.

PLEASE NOTE: Our online mountain bike handlebar width calculator can be used to estimate an optimum handlebar width. This estimated value provides a good basepoint for you to make your own decision. It's always recommended to start wider than you think, as you can always cut more off, but you can't add any extra width on.

Values provided here are purely estimates, and we accept no responsibility for any issues that may be encountered. If after using this calculator you are still unsure if the handlebar width is correct for you, please check with a qualified bike mechanic.

We also have a mountain bike tyre pressure calculator here.

Handlebar width FAQs

How wide should mountain bike handlebars be?

Mountain bike handlebar width should depend on the size of the rider and the type of mountain biking they do. For example, downhill racers usually have slightly wider handlebars due to the need for extra stability, however, bar width should always come down to the size of the rider's shoulders.

What is a good width for mountain bike handlebars?

Handlebar width should purely depend on the size of the rider and more importantly the width of their shoulders. The most common mountain bike handlebar widths range from around 710mm to 780mm. However, shorter riders may require much narrower bars, and very tall riders may require a full 800mm handlebar.  

Is 800mm too wide for mountain bike handlebars?

Yes, 800mm wide handlebars are too wide for most riders. However, if you are a very tall rider, that rides downhill hill then you may require the full 800mm width. Handlebar width is all about finding a balance between the stability of a wide bar and allowing your body the ability to push/pull and maneuver a narrower handlebar.   

Are wider handlebars more comfortable?

Not always. Some people confuse the feeling of stability given from a wide handlebar with comfort. In reality, the most comfortable handlebar is the bar that fits your shoulder width the best. If you can, it is worth experimenting with narrower handlebars by sliding in your grips and controls to test different handlebar widths. It’s interesting to point out that most professional downhill and enduro racers often use much narrower bars than you would expect - this is because there are many benefits to a narrower bar. Try our online mountain bike handlebar width calculator to help give you a starting point.

How wide are mountain bike handlebars?

Modern mountain bike handlebars are often sold between 760mm-800mm wide. However, manufacturers sell handlebars wider than they need to be for most to the rider can cut them down to the size best suited for their body size and riding style.