How To Measure Frame Size Of Mountain Bike?

How To Measure Frame Size Of Mountain Bike

Want to know how to measure frame size of mountain bike? I will answer this precise question for you in this post.

Mountain bikes are very similar to road bikes, except they feature a suspension system that helps you ride over uneven and rough terrain without losing control. Many bike brands offer mountain bikes, but the most popular is probably Giant. That is because Giant has the best technology for smooth riding over difficult terrain. Most mountain bikes have disc brakes which are very good at stopping fast, but many people prefer to use front brakes for extra stopping power.

Mountain bikes have always been built using steel. But because they are used so frequently, steel became softer, resulting in the bike frame becoming lighter and more easily broken. So some companies started making their bikes out of aluminium to reduce the weight. Other companies are using composite frames that are made from materials such as carbon fibre. But all these new mountain bikes have one thing in common: the wheels and the suspension system built into the bike frame itself.

Mountain bikes are a popular type of biking that many people enjoy. They are an excellent way to get exercise and hit the trails with the wind in your face. Mountain bikes have become more popular over the past few years. They are an excellent way to get around on two wheels, and they are much easier on the body than a car, which is a huge advantage. But when buying your mountain bike, you need to know the correct frame size; otherwise, it won’t be comfortable, or it won’t be safe.

The Size of Your Mountain Bike is More Important Than Ever:

Most manufacturers advise you that the frame size you should choose is one according to your height and body posture. Moreover, some manufacturers recommend you to choose according to the tire. 

When we talk about mountain bikes, most of us are aware that the frame’s size is very important to consider. We know it because we use this particular gear to move forward on the rocky terrain, and we need to feel comfortable while riding this kind of mountain bike. The importance of a frame size can never be ignored. 

It is very important because many people do ride mountain bikes, and they want to have a bigger and strong frame for them to be comfortable doing so. If you want to have a bigger frame or want a stronger one, you must know the importance of frame size in mountain bike riding.

Many people claim that the size of the bike frame is not that important, and they do not pay much attention to this matter. However, this cannot be farther from the truth. The fact is that you need to have a proper frame size for you to have a good riding experience. If the mountain bike frame is not the right size, then there are a lot of things that could go wrong during your ride. These could either cause you a serious injury or might break your mountain bike.

So how would you know the frame size of a mountain bike? Get yourself familiar with some important components of the mountain bike, and that’s pretty much it! You are good to go.

How to measure frame size of a mountain bike and choose the perfect one?

Instructions are important to get a perfect-sized mountain bike. Here are some handy instructions that will make your experience better. 

  • Identify the top seat tube of a mountain bike. The seat tube is the first triangle’s length through the bottom bracket—the place where the seat clamp holds the seat post.
  • Identify the centre of the bottom bracket. It is the lowest bracket. It assembles the bearings. It connects the crankset to the mountain bike. It helps the crankset to move freely in every direction. And it is attached to the base of the stem that goes towards the pedal to the top of the saddle.
  • Measure the distance between the top of the seat tube and the bottom bracket centre. 
  • Write down all the measurements in both centimetres (cm) and inches (in) or to the nearest half of the inch (in) as per your ease.
  • Take a look at the size chart from below.
  • Choose the appropriate frame size from the chart. 
How To Measure Frame Size Of Mountain Bike

How To Measure Frame Size Of Mountain Bike?


SizeFrame size in inches.Frame size in centimetres.Riders height in feet and inches.Riders height In centimetres.
Extra small13 in – 14 in33 cm – 37 cm4 ft 10 in – 5 ft 2in148 cm – 158 cm
Small14 in – 16 in38 cm – 42 cm 5 ft 2 in – 5 ft 6 in158 cm – 168 cm
Medium16 in – 18 in43 cm – 47 cm 5 ft 6 in – 5 ft 10 in168 cm – 178 cm
Large18 in – 20 in48 cm – 52 cm 5 ft 10 in – 6 ft 1 in178 cm – 185 cm
Extra-large20 in – 22 in53 cm – 57 cm 6 ft 1 in – 6 ft 4 in185 cm – 193 cm
XX-large23 in -24 in58 cm – 67 cm6 ft 4 in – 6 ft 6 in193 cm – 198 cm

Once you have checked the guide, make sure that you also note the frame size of each of the components that make up the bike. That will make it easier for you to compare them later on. If the mountain bike’s frame size is not the same as your regular bike, you will have to get a new one. There are many options available for you when it comes to frame size. You have to make sure that you get the right one that fits you perfectly. It is always better to get the bike with the correct frame size than have to go for another, which does not.

Final Thoughts:

So when you are shopping for a new bike frame, make sure that you know your normal frame size. Once you know your normal frame size, you can start searching for bikes that have appropriate frames and suit your body type. You should also be aware that the price of a bike frame will vary from one brand to another.

Johan Oakley

Hi, I am John Oakley- The Guy behind this site. I am an avid hiker and love to try new mountain bikes. I love to experiment with new gear for biking and cycling and this site is a result of my passion for reviewing and checking the best mountain bikes and accessories.

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