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The Best 20 inch Bike for Kids for Boys & Girls

20 inch Bike – One of the most exhilarating & exuberant moments of childhood memory is bike riding. At the age of 6 or 7, your kid certainly becomes capable of biking which helps with its mental & physical growth. Therefore, you can think of getting a suitable bike for the kid.

The bikes are of many sizes & you should get 20” which gives an actual introduction of gears to 6/7 years old. When your kid rides a bike, you have to take care of performance, quality & safety.

For the youngsters, there is a considerable number of 20” bikes available. After reviewing, we ended up here with the top 6 best 20-inch kids bikes. They will help your kid to have the utmost fun while providing maximum control & safety.

Before jumping into the review section, check out the important considerations for choosing a 20 inch Bike for kids.

20 inch Bike, things to Consider Before Buying 

No doubt, buying something like bikes requires attention to every attenuating detail. And when you want to get one for your kid, considering the details are of utmost importance. There are some vital factors that determine the quality & performance of a kids’ bike.

  • Age & Height Limit: The foremost thing to check is the kid’s height & age. Each 20 inch bike age range has certain limitations. Make sure you pick the bike that matches user height & age perfectly.
  • Construction: Regrading quality, the first thing to consider is construction. The steel frame with aluminum parts delivers the serviceability. You have to ensure a stable base with wide tires to get maximized driving efficiency.
  • Braking System: For kids’ bikes, you should pick a coaster lever brake that comes with kid-specified functionality. Both front & rear brakes can help your kid with the control, but you can go for basic ones as well.
  • Seat Height: Despite fitting your kid, you must ensure the seat height customization. As the kids’ tends to grow, adjustability of seat height will help to attain a comfortable riding.
  • Gear Speed: There are particularly three gear speeds available, and you can pick as per the kid’s necessity. Single-speed gears impart incredible lightness to the frame, whereas multiple ones impart greater functionality & variation.
  • Grip & Pedaling: Soft gripping & smooth pedaling is prerequisite to give the riding freedom & enjoyment. Cushioned grip with a narrower pedaling position can help in this regard to a great extent.
  • Overall Safety: Obviously not the least, when it comes to safety. All the aforementioned are essential to induce maximum safety for your kid. For beginners, you have to ensure the least shock from bumps & accidental falling.

Comparison Table – Best 20 inch bike for kids

ProductWeight (pounds)Age Limit (years)Seat Height AdjustmentGear TypeGender PreferenceAmazon Rating
RoyalBaby Freestyle Kid’s Bike for Boys and Girls276 – 8YesSingleUnisex3.9
Schwinn Koen Boy’s Bike20.66 – 9YesNoBoys4.0
Guardian Kids Bikes236 – 9YesSingleUnisex4.8
Firmstrong Urban Girl Single Speed Beach Cruiser Bicycle364 – 10YesNoneGirls4.2
Woom 4 20 inch Pedal Bike16.96 – 8Yes8 SpeedUnisex4.6
Mongoose Legion Sidewalk Freestyle BMX Bike for Kids27.16 – 9NoSingleUnisex4.0

Best 20 inch Bike Reviews | Get a suitable bike for your next ride.

1. RoyalBaby Freestyle Kid’s Bike for Boys and Girls


RoyalBaby Freestyle 20 inch bike for Boys and Girls

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When it’s about making a convenient bike choice for the kid, RoyalBaby has to come in the first spot. High-quality construction results in sufficient sturdiness which can serve your kid well enough. The 20 inch bike, freestyle bike is available in a wide range of colors which gives your kid the freedom to buy the preferred one.

The best 20 inch BMX bike is of hydro-formed aluminum to induce maximum support over reduced weight.

Meanwhile, the steel fork comes with BMX TIG welding which gives optimum protection. The overall frame delivers a leading-edge dropout facility, providing stronger support.

28 holed rims built each of the steel wheels with a knobby tire of 2.4” diameter. With the custom Baby tread, it ensures smooth movement.

There comes enclosed chain guard & one pieced crank, allowing to operate without any difficulty. The non-slipping resin pedal features an integrated reflector, reducing the chance of accidents.

Caliper brake at front & band brake at back enables maximized operational safety. The brake lever is of kids’ size, so no problem with the best 20 inch bike with training wheels. Assembling tools & bells provides the insight of bike driving to your beloved kid.

Highlighted Features

  • Unisex design with patented features.
  • Incredibly quick & very simple assembly.
  • Seat posting clamp enhances comfort.
  • Rubberized grips offer smooth handling.
  • Convenient lever size induces safety.

2. Schwinn Koen Boy’s Bike


Schwinn Koen Boy's Bike 20 inch bike

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Complete re-designation for traditional bike geometry induces one of the most comfortable bikes right here. The convenient framework fits the kid’s body well enough to deliver maximized riding efficiency. 3 different color combinations will allow you to get the perfect gear as your kids’ preference.

The Schwinn bike entire construction based upon the steel framework induces incredible stability & performance. Through the 20” bike with coaster brakes, it becomes easy to pedal & handle.

A narrower pedal positioning matches the kid’s hip-width. In fact, it suits kids of 6-year-old & up who have 48” – 60” body height – 20 inch bike.

Through the integrated chain guard with full coverage, your kid gets optimum protection. Not to say, it saves the little hands, feet & clothing in the perfect way.

Adjustable saddle delivers maximized fitting whereas seat-tube angle enables us to attain the appropriate seat height.

Caliper brake at the front & coaster brake at the back eases the functionality of the hand-to-brake system. Featuring a comfortable grip, the kid can enjoy the real-life driving experience without any troubling issue.

Obviously, the kid will feel more confident to get going on the best 20-inch bike for the boy every time.

Highlighted Features

  • Child-specific geometry for comfortable fitting.
  • A longer wheelbase delivers spacious pedaling.
  • Adjustable saddle & slack seat-tubing angle.
  • Safe driving through both front & rear brakes.
  • Lightweight with sturdy steel construction.

3. Guardian Kids Bikes- World’s Safest kids Bike


Guardian Kids Bikes 20 inch bike

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Getting an Ethos bike is undeniably a great option for your kid to have a decent driving experience. Sturdy construction with ergonomic features makes this Guardian product a convenient bike at a reasonable price. With the patented Sure Stop Braking System, it comes with an incredibly faster-stopping performance.

The system includes pulling the lever for both wheels and initiates a 44% faster stop over the braking. With the sequential stop, it gives the kid a better control over the driving.

For kids entirely new to hand brakes or children having poor eye-hand coordination, this 20 inch bike is of great advantage.

Lightweight steel made up the 20-inch wheel bicycle which offers further control with maximized stability. The unisex bike fits the drivers having 45 – 53 inches tall (approximately 6 – 9 years old). With a 34-point safety check, your child will receive unsurpassed consistency in terms of quality & safety.

The specified geometric design comes with a lower gravitational center to provide higher safety.

With the extended wheelbase, it ensures optimum driving smoothness at the highest level of stability. The bike truly stands out in terms of serviceability & ensures that your kid remains safe all along.

Highlighted Features

  • Unique braking system gives further control.
  • Higher balance through a lower center of gravity.
  • Incredible eye-hand coordination while driving.
  • Smooth-shifting with lightweight construction.
  • 20 inch bike is colorful design & excellent operational safety.

4. Firmstrong Urban Girl Single Speed Beach Cruiser Bicycle


Firmstrong Urban Girl Single Speed Beach Cruiser Bicycle 20 inch bike

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Comfortable features with classic design, this stylish 20 inch bike holds great for biking freedom & enjoyment. For both beginner & intermediate riders, your girl will get an effortless riding experience from Firmstrong. With one gear & one brake – cruiser designed bike can’t get any simpler for comfortable driving.

No hanging off cable attachment or complex gear system; the brake engages simple backward pedaling. Similar to the original cruisers, the system includes coaster brake.

It initiates quick & smooth functionality, regarding driver security. Despite having no complex systems, you won’t have to worry about the girl’s safety.

Featuring wider tires, the best 20” bike for girl induces a stable riding with comfortable seating. With the integrated dual-spring saddle, it enables soft biking.

The steel construction gives frame stability & uniform weight distribution. Seat height is adjustable from 3’ – 2” to 4’ – 4”, being suitable for 4 – 10 year girls.

The inclusion of front & rear fenders surely enhances its functionality. The adjust ability of both handlebar & seat gives a customized fitting. Consistent & non-slip pedaling won’t exhaust the young riders.

Simple construction, smooth-rolling & effortless riding 20 inch bike – the theme of the classically styled bike for your female youngster.

Highlighted Features

  • Optimum comfort with dual-spring cruiser seat.
  • Light aluminum wheels for the sturdy steel frame.
  • Installation facility for training bar if necessary.
  • Front & rear fender with a bend-style handlebar.
  • Smooth pedaling facility & easy braking system.

5. Woom 4 20 inch Pedal Bike


Woom 4 20 inch Pedal Bike 20 inch bike

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Being a well-equipped kid bike, Woom 4 is designed to handle the driving over paved roads to dirt trails. The all-terrain target 20 inch bike delivers the perfect introduction of moving gears to your kids. The excellent construction excels perfect riding tackling every curb, jump & mound with optimum ease.

The aluminum frame imparts only 16.9 pounds of weight, allowing a stable base. With an overall height of 45” – 51”, the bike comes highly suitable for kids aging 6 – 9 years.

Light Kenda tires cover the wheels that provide maximum balance.

Having a kid-specific design, the brake system features mini-V levers, suitable for the little hands. Whether it’s long descents or steep climbs, the perfect gear ratio permits a smooth riding experience with maximized safety.

Fully integrated bolts reduce the chance of contracting the skin, thanks to the proprietary design. The intended crank designation allows a kid to have further control over the bike. The entire frame can provide a versatile & perfect ride to your youngster.

Highlighted Features

  • Wide gear range allows a safe & longer ride.
  • Lightweight design with simple assembly.
  • Optimal gearing through quality components.
  • Quick braking system with mini-V levers.
  • 20 inch bike Kid-friendly geometry for maneuverability.

6. Mongoose Legion Sidewalk Freestyle BMX Bike for Kids


Mongoose Legion Sidewalk Freestyle BMX Bike for Kids 20 inch bike

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The superior design holds perfect to introduce the new youngster riders to BMX bike. With the freestyle 20 inch bike, you will get the exact riding style & performance for the kids. Incredible construct ability induces greater efficiency & user safety.

Featuring a high-ten steel framework, the overall construction ensures optimum serviceability & longevity. With 18.2” tubing, the steel imparts great strength to provide an even riding functionality & supportive base. A convenient stand-over height of 20.5” suits perfectly for kids having 4’ – 5’ body height.

With the linear-pull brakes, it becomes easy to control the riding speed. Stem joined handlebar & fork delivers quality & comfortable steering performance.

Meanwhile, the threaded headset accelerates handling efficiency. Having 2” tires, the wheels can absorb the shocks resulting from riding over bumps & curves.

Specified geometric design & responsive mechanism allows the kid to enjoy the utmost maneuverability.

The 36T steel chainring along with the ball bottom bracket enhances the safety of the ride to a great extent. Whether it’s the first or second bike, your kid will receive the best performance you’d come to expect.

Highlighted Features

  • High-quality steel tubing enhances serviceability.
  • Linear braking lever induces speed control.
  • Convenient steering through handlebar & fork.
  • Kid-friendly design imparts optimum safety 20 inch bike.
  • Stable riding with strength & load distribution.

The Best 20-inch Bikes for Kids Guide

Some important factors of 20-inch bike:

So, are you all set to bring an amazing bike for your child? Perhaps, you should halt for a while and see what things you should consider before buying a bike. These will clear your ideas and help you in making the best purchase.

Alright, let’s dig in.

Electric Mountain Bike

Bike Size:

Your 5-8 years old kid is ready for a 20-inch bicycle. Actually, it depends more on his height and the inseam measurement. So, what is inseam measurement? Well, it is the length from his crotch to the floor. It should be 22″-25″ to fit a 20-inch bike.

For an adult, the bike is measured depending on the size of the bike frame. Whereas a kid’s bike size depends on the size of the wheel. That being said, the toddler bike size starts from 12″ and the sizes increase by 2″ up to 24″.

Now, a common mistake parents make is they get a big size cycle thinking later their kids will grow up into. However, with large size comes extra weight that can be difficult for your kid to handle and steer. Plus, it can be dangerous if an accident occurs. So, you should avoid bigger size bikes. Thus, keeping that in mind buy a bike that is perfect for them.


Basically, the lesser the weight of a kid bike, the better. Lightweight bikes are strong and durable. Your kid can easily maneuver it, it’s easier to climb up hills and more enjoyable to ride long distances.

However, lightweight bikes are expensive since they are processed under various steps for being light. Most of the cycles in the market are 50% lesser than your child’s weight. Though it will be a trade-off between price and weight. But the thing is your child should feel free when cycling instead of feeling dragged.


Children’s hip is narrower than adults, so pick up a seat with a narrow saddle. The seat of a kid bicycle should be ergonomic and comfortable. It should be well-cushioned so it does not prick the soft buns of your munchkin. Also, make sure it does not chafe the skin when remain seated for long while.

So, when you go to a bike shop, make your kid sit in the bike saddle and ask him how he feels. If it’s nice and comfy for him then it will stay the same in the future too.

Furthermore, adjustable seats are great since they can fine-tune as per your child’s convenience. Hence, even if they grow in length you can increase the seat height for efficient riding.

Handlebar and Grips:

For confident cycling, the handlebar plays a great role. In a kid bicycle, the width of a handlebar should be approximately around the same width as the gap between their armpit creases. A straight handlebar is a great choice for children. It is easy to handle in any type of casual terrain or simply a long ride.

Note: The perfect riding position for a child is his back leaning forward slightly at an angle of 65 degrees. Considering this point, a mid-rise handlebar is a good choice since it offers ample space for the knees and let your child incline a bit forward. As a result, it enhances security, balance, and makes pedaling easier. Avoid choosing high-rise handlebars because it is not well suited for the kid. Since it requires them to lean too forward.

The grips should be designed with soft materials and gentle to the skin of your children. Best, if it’s moisture-wicking and doesn’t chafe at all. Thus, the cycling experience of your kid can be enjoyable.


Coaster lever brake (pedal brake) is so a thing of yesterday. It works by pedaling backward and allows a kid to enhance balance. It is some sort of dangerous for kids since it lacks modulation and control like a handbrake.

Most of the 20 inches kid bicycle is equipped with V-brakes or rim brake. It works by squeezing the brake pad against the rim of the wheel to slow down wheel circulation. This type of brakes is good for smaller and immature hands.

Some costly bicycle also comes with disc brakes to provide enhanced stopping power. Experts suggest opting for disc brakes if you reside in a wet or rainy climate. It is also a good choice if you live in a city that has lots of steep hills.

Gearing Options:

If your child is a confident rider then going with a gear packed bicycle won’t be a problem. Besides, gearing is also introduced in 20 inches kid bike. However, wait a little bit if your child is a timid rider.

In general, there are two types of gear namely internally-geared hub and traditional drivetrains. There is no derailleur in the internally-geared hub and features a few gears to keep things neat and clean. In contrast, a traditional drivetrain features a rear derailleur and cassette that can include 5-9 gears. Don’t worry, these gears are ample for your kid.

Well, there is three gear speed available to choose according to the kid’s necessity. So, you may find out a bike with 6,7, or 8 gears. The number of gear present is dependent on the number of cogs at the rear. Anyways, most kid bikes have single speed gears that can convey remarkable lightness to the bike frame. Furthermore, multiple gears convey functionality and diversity.

Gear Shifter:

You will find two common types of a gear shifter. Such as Grip Shifters and Trigger Shifters. Your kids won’t have any idea about it. But as a parent, you should know them. So, grip shifters are constructed into the handlebar grips. You can trigger the gear change by turning the grip.

While trigger shifter is located slightly below the handlebar. Here gear change is triggered by push action. Again, some like them as thumb shifters.

To begin with, your kid can go with the grip shifter easily. So, when your kid is finally an expert in handling gears, they can toss to the trigger shifter.

Drive System:

Most of the 20 inches bike comes with a belt drive system which is far better than a chain drive. This system is comprised of a rubberized belt and doesn’t come off as easily as the chain one. It is good for kids since there is no need for lubrication. Hence, no chance of being messy and eliminates grease, dirt, debris, etc. easily. Plus, it requires low to zero maintenance.

Nowadays, adult commuter or urban bikes also feature a belt drive system. You can check out our Best Retrospect Commuter Bike.


The choice of the tire is based upon the road your child going to ride his bicycle. If the riding is going to be in your neighborhood street or pavement then you can go with a bike of slick, fast circulating tire.

In contrast, if you are camping or cycling in a harsh terrain full of dirt, mud, grass, and gravel, etc. then you should pick up a wider tire with some extra thread.

However, if you don’t get the best tires for your kid’s bike, then you can always change it with another one later.

Another good thing about this 20-inch bike is they have air-filled tires with the inner tube. You can increase or decrease air pressure for certain terrain or road for a smooth riding experience. For example, for the rough off-road ride, you can decrease air pressure. Again, for casual riding on road, you can increase the air pressure for reducing the rolling obstruction.


The wheelbase is the total distance between two wheels on a bike. So, we will suggest you have a bike with a higher center of gravity and a short wheelbase. Because they are tough to ride and prone to balance failure easily.

For more stability and control, your child bike should have a longer wheelbase.

Pedal and Q-factor:

Pedals for a kid bike should be smaller. Since it weighs less, your kids will experience lesser pedal strikes, fewer shin knock, and it can offer a better position to the child’s feet on the grippy part of the pedal.

Now, if your child is a casual rider or under the age of 8 then pedals with plastic pins are good for them. Plus, they can offer better safety and sufficient traction.

By the way, you can toss for metal pins in a pedal if your kids are on to aggressive riding. Furthermore, they are durable and provide superior traction.

Alright, let’s talk about Q-factor. So, what is it? It is the distance between the pedal connection point on the crank arms.

For young children, it is best to have pedals with a lower Q-factor. As a result, they can pedal without tilting and have a powerful pedal stroke. However, a higher Q-factor makes your child move their legs outward instead of keeping it naturally placed with the bike frame. This is an uncomfortable position for them and it can also lead to many dangerous injuries. Thus, always go with a lower q-factor in a 20-inch bike.

Other Accessories:

Other accessories may include necessary and fancy things. Such as water bottle holder, bicycle bell, front basket, and back seat, etc. Your kid bike should have a water bottle holder so you can stay hydrated while riding. Most girls love to have a basket in front of their bicycle. It’s a feminine thing and I used to love the same when I was a kid. Here you can keep your small essentials or pet.

Most common questions and answers you should know:

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Mountain Biking

Should you Choose Aluminum or Steel?

Like I said before, lightweight kid bikes are expensive. So, aluminum weighs lighter and it offers great durability and strength. In contrast, steel is heavier but provides excellent toughness and stability.

We will advise you to have an aluminum bike for your kid. Because it will be easier for him to ride the lightweight bike. Plus, they shouldn’t be riding anything 2x their weight. Though a lighter bike will cost you more, it is convenient for your little one. 

Do you need to add training wheels?

Typically, 20-inch kid bikes don’t come with training wheels. Because most 6-8 years old can handle the bike without any supporting wheels. However, if your child needs them then you can add them since most 20-inch bikes are compatible with training wheels.

Boys Bike V/S Girls Bike:

There is particularly no difference between a boy’s bike and a girl’s bike. When I was a little girl of 6 years, I demanded my father to bring me a pink color bicycle with a front basket. These were my primary wishes to have in a bike, feminine color, and fancy accessories like a basket. That’s all. A girl bike is not something equipped with a unique component that makes it out of the world.

In contrast, my little brother wanted to have a green color ben ten (cartoon) bicycle that must have a fancy water bottle holder. His wish also got granted. Anyways, so you can see boys prefer masculine colors like blue, green or grey, etc. and a few adds on. And they are happy with these. 

Frequently Asked Questions FAQ:

  1. What inseam is suitable for a 20-inch bike?

Ans: Typically, 22-25” or 55-63 cm

  1. Is a training wheel suitable for a 20-inch bike?

Ans: No, because a 20-inch bicycle is taller and more tippy. Thus, training wheels are not suitable for a 20-inch bike in general. However, you can still add if your child needs it.

  1. Are balancing bikes a better option than training wheels?

Ans: Balancing bikes are lighter and more efficient than training wheels. Kids can ride to a longer distance with the balancing bikes.

  1. What is the best 20-inch mountain bikes for boys?

Ans: Well, there are plenty. But in our expert opinion,

  • Nukeproof Cub Scout Key Data,
  • Whyte 203, Specialized Riprock 20w Key Data,
  • Early Rider Belter 20-inch Trail
  • Specialized Hotrock 20, and
  • Vitus 20 Plus.

-will be some of the best 20-inch mountain bikes for boys.

  1. How much should you spend on a 20-inch kid bike?

Ans: Since it is a gift to your precious one, try to spend as much as you. Because with a better price comes a nicer bike.

Bottom Line

As a child, you can never forget the moment of riding the 20 inch bike for the first time. Considering your invaluable love for the kids, we covered the best features of the best 20 inch bike for kids.

Amazing design & optimum safety are what your kid will receive from the beginning with each of our choices. With quality construction & superior performance, all 6 surely deserve a spot on the list of top picks.

The price is reasonable for each case which certainly delivers satisfaction & excitement.

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Daniel D. Harris

I am Daniel D. Harris, an enthusiastic biker who loves to ride bicycles. I keep on sharing my experience of cycling through this blog. I do keep writing to assist you in finding the city bikes, bike lights, bike pedals, and many more things related to bicycles. You may find my blog useful once you read some posts. Find me on twitter. Have a good day bikers!