Take the Guesswork Out of Purchasing the Best Kids Mountain Bikes

Choosing a bike for your child wouldn’t seem like it would be a challenging task to manage, but you’re buying a mountain bike. That means you need to think about the suspension, the type of mountain biking your child will do, the parts on the bike, and the benefits to them cycling.

You don’t want to have to guess at parts you don’t understand or aren’t focused on, so I’ve compiled the best kids mountain bikes to ensure you that your child gets the best mountain bike for kids.

**You'll find detailed comparison below, but you can also check the prices or read Amazon Customer Reviews by click the links above.


About Kids and Mountain Bike

Supplying your child with the best youth bike will give them the advantage of a healthy lifestyle, more confidence as they gain more skills, and help them to increase their physical training.

Healthy Lifestyle

Mountain biking is a great form of physical activity that helps a child build endurance, build muscles, lose weight, and be more active outside.

The benefits for children increase as the child gets older and continues through a healthy activity, with proper eating habits, and a good support system that encourages bike riding.

Mountain biking provides your child with a lower rate of heart disease, a lower risk of diabetes, mental health, and much more. This also provides your child with an active lifestyle, rather than a sedentary life.

Confidence Booster

By providing your child with a youth mountain bike, they will gain confidence in riding with their friends. On top of riding with friends, they will learn social skills, skills, and trick knowledge that will improve their overall biking experience.

Increasing a child’s confidence is paramount from their young stages to early adulthood. Being confident is a characteristic that is sought after in many job fields and working situations. Increasing confidence is a win-win situation for the child, their parents, and potential employers.


This is your child we’re talking about, and for them to have the best kids mountain bike, you’re going to have some questions and concerns about the type of bike you’re looking for. That’s understandable, so let’s start answering them!

How do I get the correct size bike for my kid?

What are the frame materials?

What’s a good suspension fork?

Which type of brakes do kids mountain bikes have?

Are the number of gears necessary?

What are the best tires to consider?

What price will a youth mountain bike cost me?

The Best Kids Mountain Bikes

Finding the best kids mountain bikes took some time, but what I came up with are five great mountain bikes for your child. Let’s have a look!

Kent Super 20 Boys Bike is a steel-framed boy’s mountain bike with full suspension and downhill suspension fork. The suspension system provides your child with a smooth ride, even though the bike is heavy (36 lbs.) and hard to maneuver.

The shifting system features twist shifters and seven speeds. The seat has a quick-release for easy adjustments and alloy lever rim brakes for a great stop.

This bike has 20-inch knobby tires that are slightly wider than most bikes, providing better traction and support.

The recommended age for this bike is between six and eight years old. This bike has a lifetime guarantee, and they will replace the bike if anything goes wrong with it through the years (within reason) at no charge to you.

My Rating:


  • The gears are easy to work and get to.
  • It has a shock absorbing seat and handlebars.
  • The frame is made from solid steel.


  • Assembling the brakes on the bike can be difficult.
  • The distance between the handlebars and the handbrakes may be too far for small hands.

Mongoose Girl’s Maxim Full Suspension Bicycle features an aluminum frame and full-suspension with a suspension fork that increases control and smooth rides.

The shifting system is comprised of a Shimano rear derailleur and SRAM twist shifters that provide the rider with a smooth shift between 21-speeds.

This bike has alloy linear pull rim brakes that give the rider a controlled stop. This bike weighs in at 37 pounds, which make it heavy for an aluminum framed bike. The recommended age for this bike is at least 12 years old.

My Rating:


  • The suspension fork gives a smooth riding experience over bumps and helps to increase control.
  • The 3-piece mountain crank gives the rider a wide range of speeds.
  • The shifters on this bike are the same as the shifters on the Trek Tandem ($1200 bike).


  • This bike is quite heavy for a girl’s bike.
  • This bike will require constant adjustment between the front of the brakes and the handlebar.
  • The kickstand is mounted at the rear tire making it hard to operate properly.

Diamondback Octane Kid’s Mountain Bike is an aluminum-framed mountain bike with a hardtail suspension, featuring a suspension fork that provides a smooth ride over rough and rugged terrain styles. This bike has linear pull brakes for a controlled stop.

This bike is an ideal bike for cross country mountain biking. The gear shifters are Shimano easy-twist with up to 21-speeds for any terrain. The tires are knobby and rugged for increased traction and support.

This bike weighs in at about 35 pounds and is recommended for children between the ages of 9 and 12 years old.

My Rating:


  • The shifting system on this bike has quick and accurate shifting.
  • The aluminum-alloy construction makes this bike light.
  • The suspension fork provides a smooth and comfortable ride even on the roughest terrain.
  • The brakes are reliable and straightforward to use, providing excellent braking.
  • The knobby mountain tires and mountain-style saddle provide the rider with comfort.


  • The brake lever is hard for children with small hands or short arms to reach.
  • Sometimes, when the chain is on the smallest gear, the rear derailleur rubs against the chain and gears and will need to be adjusted.

Roadmaster Granite Peak Boys Mountain Bike is a hardtail suspension bike with a steel frame and a front suspension fork giving a smooth ride. The front and rear brakes are both linear pull brakes that provide stable braking control.

The shifting system features Shimano hardware with SRAM twist shifters that shift seamlessly through 18 speeds.

The 24” knobby tires with alloy rims provide strong and stable balance to the bike and the rides. This bike is designed for children at least 12 years old.

My Rating:


  • The tires are rugged and knobby with alloy rims for durability.
  • The seat is padded and features a quick-adjust for maximum comfort.
  • Linear-pull brakes deliver a controlling stop.


  • After using this bike for a little while, you’ll notice the gears shifting will start skipping.
  • The saddle on this bike is very narrow, making it uncomfortable to sit on for long rides.

Diamondback Lustre Kid’s Mountain Bike has an aluminum-alloy frame designed to be a hardtail with a squishy suspension fork that absorbs all the bumps and rough riding.

This bike has linear pull brakes that give the rider control over their braking and speed.

This bike has Shimano parts and features 21-speeds. The tires on this bike are rugged and designed for rough terrain.

This bike is simple to assemble and is designed for children between the ages of 9 and 12 years.

My Rating:


  • This mountain bike is a great purchase for a reasonable price.
  • The sturdy aluminum frame is very lightweight.
  • The brakes give the rider control over their braking.
  • With a well-padded seat, knobby off-road tires, and a suspension fork with good suspension impact, this bike allows your child to stay in control when the ride gets bumpy.
  • This bike is very easy to assemble.


  • The distance between the handlebars and the handbrakes is far for short arms or small hands.
  • This bike doesn’t have a kickstand or a water bottle carrier.

Image Credit: Amazon.com

Purchasing a Mountain Bike for Kids

When buying a product, for any member of your family, you want it to be the best. It makes sense only to want the best kids mountain bike you can get your hands on. You want your child to be riding around on a product that comes highly recommended, rated and reviewed.

The Mongoose Girl’s Maxim Full Suspension Bicycle may be heavy and have an awkward kickstand, but the overall performance of the bike with the full-suspension system and 21-speeds gives the rider a great option for biking uphill, downhill, and through rugged terrain. This bike also features parts on a $1200 bike in another class of price.

Where does the best mountain bike for your kid lie? What bike would you have chosen as the winner?


Hi my name is Dale Obrien. I started Mountain biking 8 years ago. I also worked as a manager in a local mountain bike shop for 5 years. I love helping beginners getting their first mountain bike. Welcome to our blog. Enjoy!

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