Every responsible citizen nowadays is trying to reduce the use of fuel-burning vehicles and increase more and more use of bikes, as it is very good for the human race and Mother Nature together.

As per the recommendations of the specialists, bike riding is very good for health when it is in the perfect measurement. A bike with the right measurement can be very good for joints and bones.

The difficulties are to choose the right bike with the right measurement. Because of many varieties and different measurements available in the market, it is almost like doing scientific research.

But the fact is, it is not as difficult as it shows. Only because of not knowing the right formula of choosing the bike of your measurement, IT SEEMS HARD.

Perfectly measuring the bike is just knowing some tricks and bike size charts. Your body measurement is the main thing to keep in mind when measuring your bike.

Below here, we will help you get the formula to know how to measure a bike along with some very helpful bike size charts and other important charts.

Know What You Want?

It is very important to know about the kinds of bikes before you approach to choose your bike. Measuring bikes differ according to the difference of their kinds. The kids of bikes are:

Mountain Bikes

Those bikes are with the heavy suspension to rule on the rocky mountain trails. The tires of those bikes widen 26 inches to 29 inches and they are knobby in structure, which helps them to be ridden smoothly in loose dirt and high-over obstacles.

Those bikes are recognized as mountain bikes but they can also be ridden on roads, which will feel you like driving SUV on roads.

Road Bikes

Road bikes are the bikes with slim tires and the most popular variety of the world of bikes. They are best known for their speed. Those bikes consist of down-turned handlebars. They can glide on the roads very easily because of their slim tires. They are very much suitable for long rides and those are the bikes used for racing also.

Time-Trial Bikes (Triathlon)

Those bikes are specialized ones designed for triathlon or time trial racing. Their front handlebars are bull-horn shaped and also have aero bars. Those bikes are designed heavily focused on aerodynamics. Their aerodynamic structure helps them to achieve the goal in time-trial racing.

BMX Trick Bikes

These are the bikes having a specialty in their name means BMX stands for Bicycle Motor Cross. BMX bikes are single speed bikes raced through dirt ramps like motorbikes. Those are short bikes having 20 inches of wheelbase. These bikes are best known for their strong built quality. Those bikes are the best choice for who intends to do tricks and jumps with bikes.

Cyclocross Bikes

Cyclocross bikes structure is quite like road bikes and they also have down handlebars. Their only difference with the road bikes is they have wider knobby tires. Those bikes are designed to be raced on dirt trails and roads together. They are in one word do-anything bike. It is a commuter biker bike also to do your daily works.

Know the Bike

Not only choosing but also knowing about the bike structure is very very important for perfect measurement. Means to know about the frame of your bike is important. Three key features are there in the frame to reach the correct measurement. They are:

Head Tube

This is the vertical tube in front of your bike below the handlebar. The fork which holds the front wheel inserts through the head tube. Taking its measurement is easy from all just from top to bottom. Its positioning affects the handlebar.

Top Tube

The top tube is the bar from between your legs from below the seat post to the head tube. Its measurement is very important because you reach to the handlebars depends on its sizing.

Seat Tube

This is the part starting below the head of the top tube to your pedal section. The importance to measure it because your legs reach to your pedal perfectly depends on it.

Know Yourself

Besides knowing the bike, to know which parts of your body structure should be measured to be contrasted with the bike to get the right measurement is also very important. They are:

Your Height

To know your perfect height is very important for the measurement of your bike. If you know your height already measure it again perfectly and convert it to inches and centimeters. The information’s will be needed for further approach.

Your Inseam

Measuring inseam correctly is a must to measure the bike correctly. Some people use their pant to measure their inseam but the size of the pant differs so it is more relevant to measure it correctly with measuring tape from your body.

Stand spreading your legs 6-8 inches and place a hard substance there. Now with the help of a measuring tape take the measurement from the pubic bone to your foot from inside.

Your Torso

Measuring your torso length is also important when choosing a road bike. To measure your torso, place the tape from your groin to the ‘V’ point of your throat.

Your Arm

Measure your arm from the end of the collar bone to the middle your palm.

The Formulas to Be Used

Formula 1: This formula is applicable for measuring your road bikes.

Height of your inseam*0.67= the perfect length of your seat tube

Formula 2: This formula is applicable for mountain bikes.

Height if your inseam*0.67= result – 4/5 = perfect length of your top tube
If the bike seller is giving you the frame size by seat tube length multiply your inseam size with 0.185.

Note: These formulas will help you find the answer to the question of what size is my bike?

How to Measure Bike Size