The Helpful Guide To Bike Size Chart Kids (Latest Update In 2021)

What factors do you consider when purchasing a bike for your child?  Brand, style, color, or price? Are they enough? There is one thing you must pay attention to when choosing kid bikes, which is the bike size. Regardless of how beautiful the color is, how trending the style is and how reputable the brand is, the bike size is always the most important thing.

If the bike size does not fit your kid’s height and age, it is challenging for them to ride. Besides, the wrong bike size can push your kids in danger since they can not control it well. Therefore, in this article, I will give you helpful guides to bike size chart kids so that you can choose the most suitable bikes for your kids.

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Why Do Kids Need The Right Bike Size?

Why Do Kids Need The Right Bike Size
Why Do Kids Need The Right Bike Size?

If you are still considering the question “Why do kids need the right bike size?” or “Is it necessary to take the kids bike size chart into account when choosing bikes for kids?”, then answer the question “Do you feel comfortable and confident when wearing wrong size shoes?”. I believe that your answer is definitely “No.”

If your shoes are just a little bit tight, your feet are hurt, and you can not comfortably walk with them. Even your feet will be wound if you insist on wearing them. On the other hand, when you walk on large shoes, you can not control them, and they will quickly come out off your feet.

It is totally similar to your kids’ feeling when they have to ride a bike whose size does not fit them. If the bicycle is too high compared to your kid’s leg length, and he can not place his legs on the ground firmly when sitting on that bike, it is inconvenient and risky because he can not handle unexpected accidents on roads.

For example, your kid is cycling to school; suddenly, another bike moves out from an alley, and the two bikes clash. The situation will not worsen if your kid is riding a suitable bike and his legs are supportive under unexpected circumstances.

No need to talk about further troubles; you will see the disadvantage of riding the wrong bike size right when your kid catches red lights because he will have to move off the saddle, stand on the ground to keep his bike balanced when it stops.

Moreover, if the bike you choose for your kid is too small compared to his height and age, then he will have to stoop his body when cycling. This position certainly makes his back, neck, and legs weary. If your kid maintains this posture for a long time, it will affect his physical perfection growth.

Therefore, do not be subjective; choosing a proper size bike for your kid is essential; it supports his convenience and his safety and physical growth.

What Wheel Size Does Your Child Need?

What Wheel Size Does Your Child Need
What Wheel Size Does Your Child Need?

What wheel size does your child need? It depends on what bike type he is going to ride. In general, there is a typical wheel size bike chart that you can base on to decide the wheel size for your child’s bike.

Age Wheel size
2-4 12”
3-6 16”
5-9 20”
7-11 24”
10-Adult 26”/700c

However, there are differences in wheel size among various kid bike types. You should pay attention to that to get the most precise and suitable wheel size for your child.

Balance bike

The Balance bike
The Balance bike

A balance bike is the starting point in a cycling learning journey of a kid. This bike type is the best choice for infants and toddlers who are learning to get familiar with cycling. Balance bikes are the most common among 2 to 5-year-old kids because they are small, lightweight, easy to move and have optional training wheels to protect your kid.

The below table will let you know what wheel size you should choose for your kids if you have an intention to buy a balance bike for them.

Balance bike wheel size chart

Wheel size

Age

12”

2 – 3

14”

3 – 4

16”

4 – 5

Beach cruiser

The Beach cruiser Bike
The Beach cruiser Bike

Another popular bike type that parents usually choose for their kids is the beach cruiser. Once your kid grows up and is familiar with bikes and you want him to learn how to ride a bike, the beach cruiser is a reasonable option. This bike type is the most suitable for kids from 5 to 10 years old.

Beach cruiser wheel size chart

Wheel size

Age

16”

4 – 5

20”

5 – 10

24”

10 – Adult

26”

12 – Adult

BMX bikes

The BMX bikes
The BMX bikes

A BMX bike is one of the most famous sport bikes globally, which has various types and styles for bikers of all age groups and gender. If your kid is energetic and active, a BMX bike is the best gift for him.

BMX bikes have a more complicated structure than both balance bikes and beach cruisers. Therefore, this bike type is suitable for more than six years old kids.

BMX wheel size chart

Wheel size

Age

16”

5 – 7

18”

7 – 11

20”

11+

The three bike types above are not all kid’s bike types. There are many other types you can choose for your child, even mountain bikes. Never limit your child’s cycling ability and hobby. Maybe he can perform more than you imagine. All you should do for your kid is to choose a correct bike size for him.

For more information, you can check out this video about Kids Bike Sizes:

Watch video: Kids Bike Sizes: 3 Tips for Picking the BEST Sized Bike

Kids Bike Size Chart By Age

Kids Bike Size Chart By Age
Kids Bike Size Chart By Age

One of the easiest ways to get your kids’ right bike size is to base on their age and height. If you can not decide what bike size to get for your kid, just come to a bike shop and tell the seller how old and how tall your kid is; he will give you an advance on what size you should get.

Kid bike size chart by age and height

Age (years)

Height (cm)

Wheel size (inch)

2

80 – 90

10

3 – 4

90 – 110

12

4 – 5

110 – 120

14

5 – 6 120 – 130

16

6 – 8

130 – 140

18

8 – 10

140 – 150 20

10 – 12

150 – 160

24

12+ 160+

26

In case your child is higher or shorter than other kids at the same age, his height should be considered a priority when choosing bike size.

For more information, you can check out this video about Kids Bike Sizes:

Watch video: Kids Bike Sizes: A NEW Trick to Finding the BEST Fit

Which Frame Size Should You Choose for Your Child’s Bike?

Which Frame Size Should You Choose for Your Child’s Bike
Which Frame Size Should You Choose for Your Child’s Bike?

Besides wheel size, frame size should be taken into consideration when choosing bike size for your child.

If you choose the wrong wheel size, then the bike will be too tall for your kid, which makes him unable to place both his feet firmly on the ground. On the other hand, if your kids ride a wrong frame size bike, they must lean forward or stoop their bodies, making them feel cramped and uncomfortable.

Moreover, if they keep this position for a long time, it can affect their spinal column and physical growth.

So, which is the perfect frame size for your kid’s bike? Tell him to stand over the middle of the tube; if the distance between his groin and the tube is around 2 inches, then frame height is suitable.

Then move your attention to your kid’s arms and back when he is riding. If he can keep them all straight, then his bike has a perfect frame length.

For more information, you can check out this video about Size Bike Frame:

Watch video: What Size Bike Frame Should I Get? Does Bicycle Frame Size matter? FREE Buying guide

Child’s Inseam And Height: How To Measure?

Child’s Inseam And Height How To Measure
Child’s Inseam And Height:How To Measure

To get the most suitable bike size for your kid, of course, you need to know how tall he is. There are many ways to measure your child’s height which I believe that you all know. Tape measure might be the most common way.

Or you can create a ruler on the wall at your home then tell your kid to stand next to that ruler to measure his height. Estimating your kid’s height by comparing him to your height is not a bad idea if you do not have a ruler with you.

After measuring your kid’s height, you also have to know his inseam so that you can choose the right bike size for him. You do need a pencil, a book, and a ruler for your kid’s inseam measurement. Put a medium-thick book between his two legs, tell him to hold it high up, and stand against the wall with bare feet. Use the pencil to mark the wall at the top of the book.

The distance between the floor and that mark is your kid’s inseam length.

Inseam length and wheel size chart

Inseam length (inch)

Wheel size (inch)

12 – 14

10

14 – 17

12

16 – 20

14

18 – 22

16

20 – 24

18

22 – 25

20

24 – 28

24

28+

26

What To Do When Your Child Size Is Between Bike Sizes?

What To Do When Your Child Size Is Between Bike Sizes
What To Do When Your Child Size Is Between Bike Sizes?

If your child’s size is between two bike sizes, my advice for you is to get the smaller one. Your kid can easily ride and control the smaller bike than a taller bike to his height in one way or another. It is safer, too.

Moreover, many bikes are designed to adjust the saddle height, so if you choose a bike that is a little bit short for your kid, you can adjust the saddle to a suitable height for him.

Further Factors To Consider Besides Bike Size

Further Factors To Consider Besides Bike Size
Further Factors To Consider Besides Bike Size

Bike size may be an essential thing to consider when choosing a bike for your child; however, it is not all. There are several other things you should pay attention to.

Bike brand

Bike brand is also essential. It is about the reputation and the safety and comfort for your kids when they cycle.

Why do you think a bike brand becomes well-known and has a lot of loyal customers? Partially, it is because they invest money in marketing, of course. However, bike manufacturers must also create high-quality and user-friendly bikes to make their customers loyal to their brand.

A bike is not only a vehicle, but it is also your kid’s friend, and he will love cycling when he loves his bike. So, ask your kid about his favorite color and style before purchasing a bike for him.

Where to buy

Where to buy bike size kid
Where to buy bike size kid

Finding prestigious stores to buy a bike for your child because they will ensure the quality of bicycles as well as have a warranty policy for their bikes. I believe that no one wants to pay for imitations.

These stores are also the authorized dealers of big bike brands where you can find various bike types, styles, and colors.

Bike weight

When choosing bikes for your kid, you should get lightweight bikes since they require less force and are easy to move. Your kids will not have to try hard to roll the pedals.

Brakes

Brakes are crucial to a kid's bike
Brakes are crucial to a kid’s bike

As your child cannot use their legs flexibly and fluently to control his bike, brakes are crucial to a kid’s bike. They help your kid to control the speed and can deal with unexpected accidents.

FAQs

What is the correct bike size for a child?

It depends on his height, inseam length, and age. Follow the informative guide on the age and kids bike size chart above; then, you can get the correct bike size for your child.

What age is a 20-inch bike for?

Generally, a 20-inch bike is suitable for an 8 to 10 years old child whose height is around 140 cm, and inseam length is from 22 to 25 inches.

How big should a bike be for an eight-year-old kid?

If you are looking for a bike for your eight-year-old child, an 18″ or 20″ bike is your option.

Is a 24-inch bike suitable for a seven years old child?

Overall, it is not. A 7 years old child should ride a 16″ or 18″ bike. However, if your child is much taller than other kids at the age of 7 and is about 155 cm tall, then a 24″ bike will fit him.