What Size Bike For 8 Year Old? Get The Right One!
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If you’re looking for the perfect bike for your 8 year old, you’ve come to the right place.
In this blog post, we’ll take a look at what size bike is best for kids this age, and we’ll also provide some tips on how to choose the right one.
So read on to learn more! After all, your child’s safety is of utmost importance.
What Size Bike For 8 Year Old?
For your 8-year-old child, the best size is a 20-inch bike so they can comfortably ride. Because 8 year old children have an average inseam of 22 inches, so they need a bike that they sit perfectly.

A 20-inch bike is a perfect size for them to start with. If your child is on the taller side, you may want to consider a 24-inch wheel bike.
What Size Dirt Bike For 8 Year Old?
The best dirt bike size for your 8 year old kids is the 50cc bike. Because this bike’s seat height is 22 and 27 inches, your kids can comfortably sit and easily ride it.
Besides, this will give them plenty of power to enjoy riding. If your kids are really adventurous or skilled, you could go up to a 65cc to 125cc dirt bike.
But you need to ensure that they are ready for the extra power and responsibility that comes with a larger bike.
But when you choose a dirt bike for your child, you need to consider their skill level and confidence. If your child is a beginner, then choose a smaller bike like the 50cc.
What Size Mountain Bike For 8-Year-Old?
For your 8-year-old kid, a 24-inch wheel mountain bike will fit. But if your kids are taller, you may want to consider a 26-inch wheel mountain bike.
The main thing is that they should be able to stand over the bike’s frame with both feet flat on the ground. If your child does this, then they will be able to control the bike better.
Keep in mind that mountain bikes are meant for off-road use, so they will be able to handle bumpy terrain. That’s why you need to ensure your child’s skill level.
What Size BMX Bike For 8-Year-Old?
We recommend 16-inch BMX bikes for 8-year-old children. This bike is also suitable for 5 to 7 years old kids.
If your kids have good skills, they can ride 20-inch BMX bikes also, but we don’t recommend it for beginners.
An even better option would be to get a bike with training wheels. This way, they can learn how to ride without having to worry about balance.
What Size Frog Bike For 8-Year-Old?
Most of the Frog Bikes come with 20-inch wheels. But their 62 model comes with 24-inch wheels, which is perfect for taller 8 years old.
The seat height is the main thing to consider when choosing a Frog Bike. You want to make sure that your child can comfortably reach the pedals and the handlebars. If they can’t, then the bike will be too big for them.
As a result, they can’t be able to ride and handle the bike quickly. Additionally, you also check the weight limit of the bike.
Frog Bikes are designed for children who weigh up to 75 pounds. So, if your child is over this weight, then you’ll need to look for a different bike.
What Size Wheel Bike For 8-Year-Old?
For most 8-year-old kids, 24-inch wheel bikes will be the best option. If your child is tall for their age, then you might want to consider getting them a 26-inch wheel bike.
Just keep in mind that they might have some trouble reaching the ground when stopped if they go with the larger bike.
This bike is also suitable for some 10-year-old kids who have average height. So, 24 inches kids’ bike is perfect for those who have an average height of 8-year-old.
But it would be best if you made sure that your kids have good control over the bike. Otherwise, it will be difficult for them to ride the bike.
What Size ISLA Bike For 8-Year-Old?
Kids love ISLA bikes because they are fun and come in many different colors. Besides, they are a good size for every kid.
But what size ISLA bike is suitable for an 8-year-old? The answer to this question depends on a few factors, such as the child’s height, weight, and riding style.
For an 8-year-old, you’ll want to purchase a bike that has 16-20 inches of wheels. This bike will be big enough for them to ride comfortably but not so big that it’s too difficult to handle.
So, keep these factors in mind when you’re shopping for an ISLA bike for your 8-year-old.
What Size Quad Bike For 8 Year Old?
Children who are 8 years old or younger should not ride adult-sized ATVs, as they may be too large and powerful for them to handle.
Instead, they can ride on smaller, child-sized quad bikes that have been specifically designed for their age group. That’s why we recommend for your 8-year-old kids a 125cc quad bike.
These bikes typically have lower top speeds and power levels, making them safer and more appropriate for young riders.
When you are shopping for a child-sized quad bike, be sure to look for one that is equipped with safety features such as parental controls and speed limiters.
You should also make sure that the bike is the right size for your child by checking the weight and height limits.
>> What Size Bike For 3 Year Old? Find Out Now!
How To Measure Kid’s Bike Size
If your kid needs a new bike, you’ll need to measure their inseam and height to determine the ideal size. With the inseam measurement, you can determine the correct size bike frame for your child.
The height measurement is important for adjusting the seat and handlebars to create a comfortable, customized ride. So, let’s see how to measure the kid’s inseam and height.
How to measure your kid’s inseam:
1. You will need a hardcover book and a tape measure. If you don’t have a book, you can use a piece of cardboard.
2. Now, place the book between your child’s legs, and ask the kid to step away from the wall.
3. Told your child to stand up straight. By using a measuring tape, measure from the top of the book to the ground. If length is the inseam, take note.
4. If needed, repeat the process to get an accurate measurement.
Here’s how to measure your kid’s height:
1. Get a tape measure and stand your child up straight against a wall.
2. Now, by using the tap measure the height from the floor to the top of their head. This measurement is your kid’s height.
3. Repeat this process again to get an accurate measurement.
Now that you have both measurements, you can consult a bike size chart to determine the ideal bike frame size for your child.
Most Accurate Kids Bike Size Chart by Height & Inseam
Once you have their inseam and height, now you have a much better idea of what kind of bike is right for your child. But you can use the chart below to find the best bike for them.
Height (inches) | Inseam (inches) | Recommended Bike Size |
2’10” – 3’4″ | 14″ – 17″ | 12″ Wheels |
3’1″ – 3’7″ | 16″ – 20″ | 14″ Wheels |
3’7″ – 4’0″ | 18″ – 22″ | 16″ Wheels |
3’9″ – 4’3″ | 20″ – 24″ | 18″ Wheels |
4’3″ – 4’5″ | 22″ – 25″ | 20″ Wheels |
4’5″ – 4’9″ | 24″ – 28″ | 24″ Wheels |
>4’9″ | >28″ | 26″, 27.5″ & 700c Wheels (Adult Bikes) |
Keep in mind that the best way to find out if a bike is comfortable is to take it for a test ride. If your child is between sizes or on the next size up, always choose the larger size to ensure a comfortable fit.
How to Measure Kid’s Bike Size by Age
When you are looking for a kid’s bike, you need to make sure that you get the right size. But how do you know what size to get? You can figure out their bicycle size in a variety of ways, one of which is to use their age.
It’s crucial to remember that this isn’t the most accurate method of measuring since child bike size is calculated based on the average height of youngsters.
Your child will most probably fall into a different wheel size if they are significantly taller than the average for their age.
Here is the table that shows the best wheel size by age for boys and girls, based on the average height of kids.
Age | Height | Recommended Bike Size |
5 years old | 43.0″ | 14 to 16″ wheels |
6 years old | 45.5″ | 14 to 16″ wheels |
7 years old | 48.0″ | 18 to 20″ wheels |
8 years old | 50.4″ | 18 to 20″ wheels |
9 years old | 52.5″ | 18 to 20″ wheels |
10 years old | 54.5″ | 24″ wheels |
11 years old | 56.5″ | 24″ wheels |
12 years old | 58.7″ | 26″, 27.5″ & 700c Wheels (For Adults) |
What Factors To Look For When Sizing Bikes For 8 Year Old
There are a few factors you should look for when sizing bikes for 8 year old boys. Below we will explore what those factors are and how they can help you choose the perfect bike.
Weight
The first factor to consider when sizing bikes for 8-year-old boys is weight. Boys at this age are still growing, and their bodies are not yet fully developed.
You need to know that; the weight of the bike can play spoilsport for kids when it comes to biking.
Because the bodies of children are not completely developed, as opposed to adults, they may not be able to move an object that is much larger in proportion to their body weight.
Unfortunately, not all parents take this seriously. But you must take this factor seriously.
Frame Size
Just like adults, children’s bikes come in different sizes and shapes. As a result, there is no such thing as one size fits all when it comes to kids’ bikes.
To find the right frame size, you will need to measure the child’s inseam. This is the distance from the ground to their crotch.
Once you have this measurement, you can reference a bike size chart to find the appropriate frame size.
Top Tube Length
Another factor to consider when sizing bikes for 8-year-old boys in top tube length. The top tube is the horizontal bar that connects the seat and the handlebars.
You will want to make sure that it is long enough so that the child can comfortably reach the handlebars without being too stretched out.
FAQS
What Size Bike Frame For 8-Year Old?
For an 8-year-old, the ideal bike frame size is 20-24 inches. Look for a bike with 20-inch wheels and a seat height that can be raised or lowered to fit your child.
Besides, When choosing a bike for an 8-year-old, pay attention to the handlebars, pedals, and brakes. Also, make sure the bike is lightweight and easy to handle. You might also want to consider a bike with gears, as your child will eventually outgrow a single-speed bike.
Is A 24-Inch Bike For Adults?
No, a 24-inch bike is not for adults. It is meant for children who have outgrown a 20-inch bike. For an adult, the ideal bike frame size is 26 inches or larger.
How Can You Tell What Size A Bike Is?
The easiest way to tell a bike’s size is to look at the tires. Because a 26-inch tire is for an adult bike, while a 20- or 24-inch tire is for a child’s bike, you can also measure the bike’s frame.
For an adult bike, the frame should be 18 inches or larger. The frame should be 12-16 inches for a child’s bike. Finally, you can look at the seat height. If the seat height is 24 inches or higher, then it should be for adults. When the seat height is 16-20 inches, then it’s for the child.
Final Thoughts
When it comes to sizing bikes for 8 year old boys, you need to consider the above factors. By keeping these factors in mind, you can be sure to find the perfect bike for your child.
We hope that through this article, you know what size bike an 8 year old boy needs.