Sports & Outdoors

Top 10 Best Kids Mountain Bikes in 2020 Reviews

Kids are adventurous, active, and enthusiastic that gifting them with the best kids mountain bikes can change their monotonous lifestyle to something fun. Compared to ordinary bikes, these bikes are strong and sturdy to enable new riders to explore new trails and ride off-road areas. Most of them are unisex to enable girls and boys to enjoy rides no matter where the trail takes them.

These bikes feature ergonometric saddles and handlebars to keep your kids comfortable while they are riding around. Plus, they are available in several color varieties to fulfill the needs of various girls and boys. To help you find the right mountain bike for your little daughter or son, we bring you the following top 10 best kids mountain bikes reviews.

Our Top Pick
Guardian Kids Bikes Ethos. 16/20/24 Inch, Multiple...
Best For Value
Raleigh Bikes Lily 16 Kids Mountain Bike for Girls...
Best expensive
Raleigh Bikes Eva 24 Kids Hardtail Mountain Bike...
Guardian Kids Bikes Ethos. 16/20/24 Inch, Multiple...
Raleigh Bikes Lily 16 Kids Mountain Bike for Girls...
Raleigh Bikes Eva 24 Kids Hardtail Mountain Bike...
Our Top Pick
Guardian Kids Bikes Ethos. 16/20/24 Inch, Multiple...
Guardian Kids Bikes Ethos. 16/20/24 Inch, Multiple...
Best For Value
Raleigh Bikes Lily 16 Kids Mountain Bike for Girls...
Raleigh Bikes Lily 16 Kids Mountain Bike for Girls...
Best expensive
Raleigh Bikes Eva 24 Kids Hardtail Mountain Bike...
Raleigh Bikes Eva 24 Kids Hardtail Mountain Bike...

Check out the Best Kids Mountain Bikes Reviews

1. Guardian Kids Bikes Ethos

Engineered with sure stop technology, the Guardian Kids Bikes Ethos uses one brake to stop both wheels for your kid to stop faster, preventing head-over-handlebar accidents. It has 16-inch wheels, making it suitable for use by kids of 40 to 46-inch heights.

This bike is made from lightweight steel to provide more control and stability for your child as he rides. It comes in various colors and sizes to fulfill the needs of a wide variety of kids. There is a kickstand included to provide support for the bike when it is not in use.

This bike is easy to assemble as it comes with all the required tools so you can set it up in just 10 minutes. Also, it is backed by a lifetime warranty on the frame to boost your confidence in purchasing.

2. New 2018 Diamondback Cobra Complete Bike

The New 2018 Diamondback Cobra Complete Bike has big bike features in a small package for kid-friendliness. It is equipped with a DB Hi-Ten steel frame which is durable to handle the abuse that comes with more adventurous or inexperienced riders.

This mountain bike boasts big tires that are suitable both for pavement or rough surfaces. It has a 6-speed drivetrain, making it a great bike to start exploring beyond the confines of the neighborhood. The bike is designed to fit riders of 44˝ – 54˝ which is ideal for kids aged 4 to 9 years approximately.

It has a suspension fork with linear-pull brakes which are very powerful to bring you to an immediate stop. Moreover, this bike is backed by warranty and great customer service so you can buy with confidence.

3. 24″ Mongoose Ledge 2.1 Boys’ Mountain Bike, Silver/Red

Equipped with alloy linear brakes, the 24″ Mongoose Ledge 2.1 Boys’ Mountain Bike has great stopping power. It has a steel full suspension frame and fork which smoothens the bumps of a rough ride for your kid to stay comfortable.

This bike features 21-speed twist shifters with Shimano rear derailleur to ensure precise gear changes every single time. It is complete with a 3-piece crank that provides reliable gear support for peerless performance. There are alloy rims which are strong yet lightweight for easy maneuverability.

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This mountain bike for kids has a mountain style athletic seat that is not only good looking but also supportive. Thus, your kid can ride in an athletic position. Better yet, this model is backed by a warranty and great customer to reassure you that you are buying a top-quality product.

4. Mongoose 24″Girls Silva Mountain Bicycle, Pink

Featuring aluminum frame with hydro-formed tubing, the Mongoose Girls Silva Mountain Bicycle Pink 24″ is strong and durable. It has front suspension fork to smoothen out bumps and thumbs on the trail. This bike is equipped with front and rear v-brakes to ensure quick stops out on the trail.

It has 21 speeds with Shimano rear derailleur for easy shifting and better riding experience. This bike is designed with a strong handlebar with colored end plugs to give a beautiful look your girl will love at first sight. It has light-alloy rims and thick large tires that roll on almost anything for this bike to go anywhere.

There are classic front and rear v-brakes to give you secure stopping power for accurate speed control. Besides, this bike is lightweight for easy assembly and maneuverability around various terrains.

5. Huffy Hardtail Mountain Trail Bike

With the aluminum hardtail frame, the Huffy Hardtail Mountain Trail Bike is lightweight to provide more rolling momentum. Thus, it is very easy to pedal for speed and acceleration so your child can get the best mountain bike riding experience. This unit has all Shimano drivetrain to deliver 21-speed of smooth and precise shifting with just your index finger and thumb.

It has a padded ATB saddle stitched for quality and comfort. This bike is engineered with front suspension to provide the right response for various kinds of terrain. It comes with a front-load stem with a crown that provides additional strength for the ultimate riding comfort.

This bike uses alloy linear brakes with machined alloy wheel rims for greater stopping power and smooth rides. Furthermore, it is complete with a slight-rise handlebar that allows the rider to stay in an upright position to minimize back and shoulder strain.

6. New 2018 Diamondback Lustre 20 Complete Mountain Bike

Designed with 40mm travel fork, the New 2018 Diamondback Lustre 20 Complete Mountain Bike soaks up roots and rocks for more comfort and control in rough terrain. It uses Shimano tourney 6-speed drivetrain for smooth shifting to keep the ride simple and easy to learn.

This bike boasts a durable aluminum frame that will sustain all the abuse and rigors of off-road riding. It is lightweight, making it easy to assemble and to maneuver by most kids including girls and boys. This bike comes in a nice purple color that is so pretty, especially for little girls.

It is complete with ergonomic handlebars and saddle to enhance comfort so your child can enjoy her every ride. What’s more, this bike is well-made and its quality is top-notch to provide great value for money and long-lasting durability.

7. HASA Kids Mountain Bike

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The HASA Kids Mountain Bike comes 95% assembled in the box to ensure you only need to assemble the front wheel, seat post, stem, and pedals. It is equipped with Shimano parts, making it highly durable and easy to use. Thus, this bike is ideal for all kids aged 9 to 12 years old.

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It has an aluminum alloy frame that is strong and lightweight for easy maneuverability and optimum durability. This bike features heavy-duty tires which are thick enough to take on various terrains including sidewalks, wide streets, mud, and even gravel.

It is backed by a lifetime warranty on the frame so you can buy with confidence. This bike is available in white and black colors for you to choose from depending on your needs. Better yet, it is well-made and ergonomic, making it great for competitions and recreation.

8. Pacific Girl’s Tide Mountain Bike

Equipped with a 1-piece mountain crank, the Pacific Girl’s Tide Mountain Bike offers wide gear range. It has steel frame geometry for the ease of control and maneuverability on various terrains. This bike comes with a suspension fork to keep the bumps and increase controls for ease of riding. It has an 18-speed torque drive shifters and a rear derailleur that provides quick shifting and effortless mobility.

This bike is available in various sizes to enable you to choose from depending on the size of your kid. It is made with high-quality materials that make it resilient to be ridden on any kind of environment. This unit has large tires to provide optimum comfort and stability.

The saddle is designed to keep the rider in an upright position to reduce shoulder and back strain. Moreover, the bike comes in a nice blue color that will look great on any boy or girl.

9. RALEIGH Bikes Lily Kids Mountain Bike, Pink

Sturdy and high-quality, the RALEIGH Bikes Lily Kids Mountain Bike is designed to get your kid where she wants to go and have fun doing the same. It has a low stand-over height aluminum frame to allow kids to get on and off with ease. This bike features large tires and sturdy aluminum wheels to roll smoothly over rough surfaces.

It comes with front and rear brakes to ensure your child masters the braking technique very soon. There is a 1-speed drivetrain to enable your child to focus on pedaling while still having fun. This bike has a mountain-style saddle and soft PVC grips with an adult design that is proportioned to fit younger kids.

It comes partially assembled to ensure you can set it up easily within 30 to 120 minutes. Also, the company stands behind their products so you can buy with confidence.

10. RALEIGH Bikes Eva 24 Kids Hardtail Mountain Bike

Engineered with low-profile aluminum fame, the RALEIGH Bikes Eva 24 Kids Hardtail Mountain Bike is easy to get on and to get out off. Hence, it is suitable for kids aged 8, 9, or 12 years. This bike has Shimano Reva shifters roll through 7 gears with just an easy twist of the wrist.

It comes with SR Sun tour XCT 50mm travel fork that smoothens out roots, rocks, and rough pavements. There are mechanical disc brakes included to allow for great control and stopping power every single time. This unit is available in two sizes and colors for you to choose from based on individual needs and budgets.

It has an ergonomic seat with soft grips which enhance comfort and stability. The bike comes with most of its parts already assembled for utmost convenience.

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Buyer’s Guide for the Best Kids Mountain Bikes

Consider the following factors if you want to get the best bike without all the hassle of searching.


The size of mountain bikes for kids is marked by the size of the wheels. So that if a particular bike has a size of 24 inches, then it has a wheel size of 24 inches. Smaller bikes are generally marked by smaller wheels while large wheels are found on bikes that are meant for older kids. Make sure the bike fits your child well so they can learn much easily.


Brakes are important features of any bike and if you are buying a bike for your kid ensure the brakes are powerful enough to provide an immediate stop. Although bikes have various kinds of brakes, free wheels and hand brakes are the most preferable for kids since they are easy to use.


A bike that is easy to use by kids is generally lightweight. Therefore, make sure the bike you buy is lightweight enough for your kid to maneuver easily. Ideally, the weight of the bike should not be more than 40% of your child’s weight. To get a lightweight bike, consider ones made with aluminum frames. This is because aluminum is lightweight and it helps to reduce the overall weight of the bike.

Frequently Asked Questions

Do you need to put training wheels on a kid’s bike?

No. It is not a good idea to fit a mountain bike with training wheels. This will deny your child the ability to balance and steer like a pro.

Does a kid’s mountain bike need gears?

Of course, yes! Most mountain bikes are designed for off-road cycling. And once your kid is ready for off-road biking he or she should have gears for protection.

Are boys and girls bikes different?

Generally, most mountain bikes for kids are unisex except for the color varieties to fulfill the needs of boys and girls. However, it is not uncommon to find some manufacturers making bikes specifically for boys or girls.


While there are numerous ways you can support your kid’s biking passion, there is no better way than to buy him or her the best mountain bike for kids. These bikes are made just like adult versions but in smaller sizes to fit young kids. The above reviews contain top-standard bikes in the industry right now, so read through to discover the ideal option.

Best Sellers: Best Kids Mountain Bikes

SaleBestseller No. 2
Mongoose Maxim Girls Mountain Bike, 24-Inch Wheels
Aluminum suspension frame maximizes comfort & performance; Suspension fork smoothes the bumps and increases control
SaleBestseller No. 3
24 Roadmaster Granite Peak Boys Mountain Bike (24...
Steel mountain frame and front suspension fork offer a smooth ride; 18-speed twist shifters for smooth shifting on the trail
Bestseller No. 4
Diamondback Bicycles Cobra 20 Youth 20" Wheel...
Hl Zoom 40mm travel fork soaks up rocks and roots just like on a bike for Big kids; Linear pull brakes have adjustable-reach levers to keep them safe and in control

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