How To Size A Mountain Bike: The Tips You Need To Know

mountain bike on grass land

Even for people in urban areas, mountain biking has grown in popularity recently. Mountain bikes offer a thrilling way to explore nearby natural areas, without devoting a lot of space or funds to equipment. If you want to give this beloved sport a try, though, you should learn how to size a mountain bike.

Having a properly-sized bike allows you to explore the trails safely, and lets you enjoy the experience much more. When your bike fits properly, you can ride comfortably for surprisingly long periods of time. On a bike of the wrong size, you’re more prone to accidents and injury.

Ready to learn how to size a mountain bike? Whether you’re just getting started, or you have an old bike that no longer feels comfortable, here’s what you need to know.

Why Mountain Bike Sizing Matters

It’s easy to shrug off the importance of bike size. Even experienced riders do it. However, there are a number of reasons why your bike size can make a huge difference.

Here’s why you should learn how to size a mountain bike properly, no matter how long you’ve been riding.




Mountain Bike Sizing Terms To Know

two men riding on bicycle in forest trail

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As you start shopping for bikes, you’ll encounter some terms you may not know yet. It’s helpful to learn the vocabulary, especially if you’re new to mountain biking. With time and this knowledge, you can even get a good idea of what size bike to buy without actually trying it in person.

Frame size

Standover height

Effective top tube



Saddle height

Check the standover height

Sit down

Take a demo ride

Make adjustments

Ready To Enjoy A Well-Fitted Mountain Bike?

man riding a mountain bike

Image Source: Pixabay

Knowing how to size a mountain bike can make all the difference in how much you enjoy the sport. If you’ve tried mountain biking before and found it uncomfortable, you were probably on a bike of the wrong size.

This guide will get you started with all the basics of shopping for the right-sized bike. Now, you’re ready to find a bike that will let you explore the trails safely and comfortably.

Where will you take your mountain bike first? Let us know which trails you’re dying to try in the comments!


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