Mountain Bike Size Chart : How To Choose The Best One For You

Picking out just the right type of mountain bike can be a befuddling experience, especially if you are a new mountain biker and have little to no knowledge on how to choose such bike.

First and foremost, you need to decide on the style of your mounting biking, and then you will be able to choose what type of bike you will need for that particular activity.

Moreover, a mountain bike size chart also comes handy while deciding on which size of bike will be most impeccable gear for you. Riding the right size of bike will provide you with comfort, extreme control, and durability in the long run .Cycling is one of the best activities outdoor


What is a Mountain Bike?

mountain bike size chart


Mountain bikes stand out from other regular bikes due to their highly enduring features and capability of delivering enhanced performance.

The configuration of such bikes is deliberately built to be tough, so they can survive in rough terrains efficiently. As the name suggests, a mountain bike is constructed for mountain bikers that perform off-road biking in bumpy terrains.

Most of the contemporary mountain bikes in the market come with some kind of suspension system, tires with usually 26” of diameter (newer models have 27.5 or 29” of diameter), tire thickness ranging anywhere from 1.7” to 2.5” and an exclusively designed handlebar.

Handlebar of mountain bikes is somewhat wider than the regular bikes and has a flat elevated assembly forcing the biker to be in an upright posture.

All of this is designed so that the biker has extreme control over bike while off-roading. You must check mountain bike size chart that designates precise measurement of frame sizes, before purchasing any bike.

What Are The Different Types of Mountain Bikes?

What Mountain Bike Should You Choose For Your Riding Discipline?

Apart from its capacity to endure off-road biking, you also need to consider where and how you are going to ride your mountain bike.

First things first, you need to consider what type of mountain biking are you opting for, is it cross-country or downhill or free riding, dirt jumping, all mountain or any other.

Based on these different mountain biking styles, there are myriads of mountain bike types available in the market aimed to survive that specific biking style. Suspension and strength needed for all these biking styles are different.

Choosing your best suitable bike will enhance your biking experience and provide utmost comfort. Mountain Bike size chart also plays a vital role in terms of biker’s comfort.

Mainly you can differentiate these bikes into 3 categories: Full Suspension Bikes, Rigid Bikes (No suspension at all) and Hard-tail Bikes (Only front suspension).

Depending on the type of terrains and style of mountain biking, you can differentiate mountain bikes into following categories:

Trail Bikes

This is the easiest and most common style of mountain bike which can be fairly used for anything. Trail bikes are made for off-roading at any local trail centers and can go through different types of climbs and descents efficiently.

Its heavyweight frame is designed with slightly slacker head angles (67°-69°) and wider handlebar. You can find trail bikes offered in both hard-tail as well as full suspension bodies.

Cross-Country Bikes

Cross Country vs Trail Mountain Bike

Deliberately made for cross-country racing, cross-country bikes are generally lightweight and feature high efficiency. As this biking style focuses more on climbing and high speeding, cross-country bikes are built with high endurance level.

Mostly, such bike features integration of full suspension system to absorb shocks better, steep head angles (70°-72°) and larger wheel diameter (29”).

All Mountain Bikes

mountain bike size chart

All mountain bikes also termed as ‘Enduro’ bikes, are designed to handle larger climbs as well as steep descents capably.

Such bikes have ample amount of features to ride through steep descents well, but also have a lightweight frame and fair amount of suspension travel for easy uphill climbing

Downhill Bikes

mountain bike size chart

As the name suggests, downhill bikes are deliberately made for traveling steeper descents at high speed. You can witness downhill biking generally at bike parks.

Rather than pedaling, such bikes are more focused on high suspension travel (200+ suspension)and superior endurance. The suspension system of such bikes must provide maximum traction and support to the biker while performing stunts like jumping, riding through berms, ladders, so on.

There are also Dirt Jumping Bikes made for riders that perform midair tricks and heavyweight free riding bikes that are made for riding downhill.

Health Benefits Of Mountain Biking

mountain bike size -chart
  • Consistent mountain biking improves overall cardiovascular health.
  • As compared to running, mountain biking is a soft-impact sports activity, meaning it will not strain your joints.
  • Boosts blood circulation and oxygen provided to the brain, hence improves concentrating power and sharpens your brain.
  • Stimulates your immunity system and encourages a healthy lifestyle. Consistent biking for 30 minutes, several times a week can positively improve your overall health.
  • Mountain biking causes your body to discharge endorphins, thus your energy level and mood both are uplifted. Eventually, this decreases stress levels.
  • Your sense of balance and focusing power improves as you have to constantly balance the bike on rough terrains, steep downhill or climbs to prevent yourself from falling. All of your vital parts like nervous system, brain, core muscles are stimulated here.
  • Allows full body workouts: Building and sculpting of abs and core muscles

Mountain Bike Size Chart

To fully enjoy mountain biking, your bike needs to fit well, must be in accordance with your height, have a flexible design and must suit your biking style adeptly.

This will highly improve your balancing skills and help you gain confidence with time, so as to tackle harsher riding situations in future.

Utilizing a mountain bike size chart will help you find the right frame size of bike for you. Apart from your height, you also need to consider inseam length and arm length while choosing mountain bike.

The frame size of a bike refers to the distance between center point of crank to the top end of frame at seat tube. Measured in inches, frame sizes come in Standard groups of Small, Medium and Large.

Mountain Bike size chart for adults:

mountain bike size chart

As a quick check, if you see that the bike’s top tube is about 3 finger spaces lower than your inseam, while your feet are placed flat on the floor and you are in a straddling position, then rest assured that it might be the right frame size for you.

Mountain bikes generally have low profile design than non-mountain bikes, so at first you might feel uncomfortable, which is natural.

As you sit on the seat, your feet must be able to reach the pedals and handlebars easily, not too close nor too far. Also, if your feet lay very easily on the floor while you are seated on the bike, then the seat height or frame height might be too short for you.

Mountain Bike Information : Mountain Bike Frame Size for Height

Mountain bikes generally have low profile design than non-mountain bikes, so at first you might feel uncomfortable, which is natural.

As you sit on the seat, your feet must be able to reach the pedals and handlebars easily, not too close nor too far. Also, if your feet lay very easily on the floor while you are seated on the bike, then the seat height or frame height might be too short for you.

Make sure to also refer mountain bike size chart provided by the Manufacturer itself to check in which height range you fall.

The best way to check the right size of the bike is to go to any specialty bike store and try out most suitable bikes. You can also take a test ride of about 10 minutes before finalizing your purchase.


Riding the right size of mountain bike is very crucial, as too small bike will make you frustrated overtime and too large bike can cause sore back and buttocks.

Above given mountain bike size chart is a rough idea on how to choose the right frame size of bike for your height. Make sure to accurately measure your inseam length and height before opting for any bike, as these are two major deciding factors for your suitable bike model.

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