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10 Best Kids Mountain Bikes 2025 in the United States
#1
Winner
RoyalBaby BMX Freestyle Kids Bike, Boy's Bikes and Girl's Bikes with training wheels, Gifts for children, 12 inch wheels, Orange
The RoyalBaby BMX Freestyle Kids Bike is designed specifically for young children starting out with biking, featuring 12-inch wheels and training wheels that help beginners maintain balance. Its sturdy carbon steel frame and 2.4-inch wide tires provide stability and durability for light trail and road use, though it has a rigid suspension, which means it doesn’t absorb bumps like bikes with shocks do. The bike has a simple, single-speed setup which is perfect for young kids learning to ride without the complexity of gears. Braking is handled by both caliper and coaster brakes, offering reliable and easy stopping power suited for small hands.
Rating
9.9
Chosen by1,103
Weight
Wheel Size
Brakes
Most important from
17976 reviews
#2
Glerc 20 Inch Kids Bike, Kids Mountain Bike for Boys and Girls Ages 6-10, 21-Speed Skyline Bicycle with Front Suspension and Disc Brakes, Black
The Glerc 20 Inch Kids Mountain Bike is designed for children aged 6 to 10, featuring a sturdy carbon steel frame that performs well on rough terrain, making it a solid choice for young riders eager to explore off-road trails. Its 20-inch wheels provide an ideal balance of control and maneuverability for this age group.
Rating
9.8
Gearing
Brakes
Most important from
53 reviews
#3
Schwinn High Timber AL Mountain Bike for Youth Boys Girls, 20-Inch Wheels, 7-Speeds, Front Suspension, Aluminum Frame and Alloy Linear Pull Brakes, Blue
The Schwinn High Timber AL Mountain Bike is a good fit for kids between about 4'0" and 5'0" tall, thanks to its 20-inch wheels and lightweight 10.5-inch aluminum frame. This size makes it manageable for younger riders just getting into mountain biking or trail riding. The front suspension helps smooth out bumps, which is great for beginners who want a more comfortable ride on uneven paths. It features 7 speeds with twist shifters and a rear derailleur, allowing easy gear changes without much hassle, so kids can handle different terrains with some control. The alloy linear pull brakes offer reliable stopping power, though they require occasional maintenance to stay responsive.
Rating
9.6
Frame Size
Suspension
Gearing
Most important from
3014 reviews
Top 10 Best Kids Mountain Bikes 2025 in the United States
#1
Winner
RoyalBaby BMX Freestyle Kids Bike, Boy's Bikes and Girl's Bikes with training wheels, Gifts for children, 12 inch wheels, Orange
RoyalBaby BMX Freestyle Kids Bike, Boy's Bikes and Girl's Bikes with training wheels, Gifts for children, 12 inch wheels, Orange
Wheel Size: 12 Inches
Suspension: Rigid
Gearing: 1
Brakes: Caliper, Coaster
Weight: 19 Pounds
Chosen by 1103 this week
Glerc 20 Inch Kids Bike, Kids Mountain Bike for Boys and Girls Ages 6-10, 21-Speed Skyline Bicycle with Front Suspension and Disc Brakes, Black
Glerc 20 Inch Kids Bike, Kids Mountain Bike for Boys and Girls Ages 6-10, 21-Speed Skyline Bicycle with Front Suspension and Disc Brakes, Black
Wheel Size: 20 inches
Suspension: Front
Gearing: 21-speed
Brakes: Disc
Weight: 16.7 kilograms
Schwinn High Timber AL Mountain Bike for Youth Boys Girls, 20-Inch Wheels, 7-Speeds, Front Suspension, Aluminum Frame and Alloy Linear Pull Brakes, Blue
Schwinn High Timber AL Mountain Bike for Youth Boys Girls, 20-Inch Wheels, 7-Speeds, Front Suspension, Aluminum Frame and Alloy Linear Pull Brakes, Blue
Frame Size: 10.5-inch aluminum
Wheel Size: 20 inches
Suspension: Front
Gearing: 7 speeds, twist shifters, derailleur
Brakes: Alloy linear pull
Weight: 32.8 pounds
Schwinn High Timber AL Mountain Bike for Youth Boys Girls, 24-Inch Wheels, 21-Speeds, Front Suspension, Aluminum Frame and Alloy Linear Pull Brakes, Red
Schwinn High Timber AL Mountain Bike for Youth Boys Girls, 24-Inch Wheels, 21-Speeds, Front Suspension, Aluminum Frame and Alloy Linear Pull Brakes, Red
Frame Size: 12 inches
Wheel Size: 24 inches
Suspension: Front suspension
Gearing: 21 speeds
Brakes: Alloy linear pull
Weight: 14.14 kilograms
Glerc 24 Inch Kids Bike, Kids Mountain Bike for Boys and Girls Ages 9-14, 21-Speed Skyline Bicycle with Front Suspension and Disc Brakes, Navy Blue
Glerc 24 Inch Kids Bike, Kids Mountain Bike for Boys and Girls Ages 9-14, 21-Speed Skyline Bicycle with Front Suspension and Disc Brakes, Navy Blue
Wheel Size: 24 inches
Suspension: Front
Gearing: 21-speed
Brakes: Disc
Weight: 18.8 kg
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Up to 32% off
Schwinn High Timber ALX Mountain Bike for Youth Boys Girls, 24-Inch Wheels, 21-Speeds, Front Suspension, Aluminum Frame, Mechanical Disc Brakes, Orange
Schwinn High Timber ALX Mountain Bike for Youth Boys Girls, 24-Inch Wheels, 21-Speeds, Front Suspension, Aluminum Frame, Mechanical Disc Brakes, Orange
Frame Size: 12 inches
Wheel Size: 24 inches
Suspension: Front
Gearing: 21-speed
Brakes: Mechanical disc
Weight: 14 kilograms
Schwinn High Timber Mountain Bike for Youth Boys Girls, 24-Inch Wheels, 21-Speeds, Front Suspension, Steel Frame and Alloy Linear Pull Brakes, Silver
Schwinn High Timber Mountain Bike for Youth Boys Girls, 24-Inch Wheels, 21-Speeds, Front Suspension, Steel Frame and Alloy Linear Pull Brakes, Silver
Frame Size: 12 inches
Wheel Size: 24 inches
Suspension: Front
Gearing: 21-speed
Brakes: Linear Pull
Weight: 17.5 kg
Dynacraft Magna Echo Ridge 24" Mountain Bike – Rugged and Durable Design, Perfect for Teens and Pre-Teens Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Adventurers
Dynacraft Magna Echo Ridge 24" Mountain Bike – Rugged and Durable Design, Perfect for Teens and Pre-Teens Learning to Ride, Sturdy and Easy to Assemble, Ideal for Young Adventurers
Wheel Size: 24 Inches
Suspension: Front
Gearing: 18 speeds
Brakes: Linear Pull
Weight: 19 Pounds
JOYSTAR Lubbock 24 Inch Kids Bike for Boys & Girls Ages 9-12 Years 24" Hardtail Mountain Bike for Kids with Steel Frame and 1-Speed Drivetrain with Kickstand 24 inch Bicycle White
JOYSTAR Lubbock 24 Inch Kids Bike for Boys & Girls Ages 9-12 Years 24" Hardtail Mountain Bike for Kids with Steel Frame and 1-Speed Drivetrain with Kickstand 24 inch Bicycle White
Wheel Size: 24 Inches
Suspension: Rigid
Gearing: Single Speed
Brakes: V brakes
Weight: 15.42 Kilograms
#10
JOYSTAR Lubbock 24 Inch Kids Bike for Boys & Girls Ages 9-12 Years 24" Hardtail Mountain Bikes for Kids with Steel Frame and 7-Speed Drivetrain with Kickstand 24 inch Bicycle White
JOYSTAR Lubbock 24 Inch Kids Bike for Boys & Girls Ages 9-12 Years 24" Hardtail Mountain Bikes for Kids with Steel Frame and 7-Speed Drivetrain with Kickstand 24 inch Bicycle White
Frame Size: 24 Inch
Wheel Size: 24 Inch
Suspension: Rigid
Gearing: 7-speed
Brakes: Linear Pull
Weight: 15.83 Kg
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Buying Guide for the Best Kids Mountain Bikes
Choosing the right mountain bike for your child can be a fun and rewarding experience. It's important to consider several key factors to ensure the bike is safe, comfortable, and suitable for your child's needs and abilities. By understanding the key specifications and how they relate to your child's riding style and preferences, you can make an informed decision that will help them enjoy their biking adventures to the fullest.Frame SizeThe frame size of a mountain bike is crucial because it determines how well the bike fits your child. A bike that is too large or too small can be difficult to control and uncomfortable to ride. Frame sizes are usually measured in inches or centimeters and are often categorized by age or height. For younger children, a smaller frame (12-16 inches) is typically appropriate, while older kids may need a larger frame (20-24 inches). To find the right size, have your child stand over the bike; there should be a few inches of clearance between the top tube and their body.
Wheel SizeWheel size affects the bike's stability and ease of handling. Common wheel sizes for kids' mountain bikes range from 20 to 26 inches. Smaller wheels (20-24 inches) are generally better for younger or smaller children as they provide better control and are easier to maneuver. Larger wheels (26 inches) are suitable for older kids or those who are more experienced riders, as they offer better speed and can handle rougher terrain. Consider your child's age, height, and riding experience when choosing the wheel size.
SuspensionSuspension helps absorb shocks from rough terrain, making the ride smoother and more comfortable. There are two main types of suspension: front suspension (hardtail) and full suspension. Front suspension bikes have a suspension fork on the front wheel, which is sufficient for most kids and provides a good balance of comfort and affordability. Full suspension bikes have both front and rear suspension, offering better shock absorption but are typically heavier and more expensive. For most kids, a hardtail bike is a great choice unless they are tackling very rough trails.
GearingGearing determines how easy it is for your child to pedal, especially on hills. Kids' mountain bikes can have a single gear or multiple gears. Single-speed bikes are simpler and easier to maintain, making them a good choice for younger children or those who ride on flat terrain. Bikes with multiple gears (typically 7-21 speeds) are better for older kids or those who ride on varied terrain, as they allow for easier pedaling uphill and faster speeds downhill. Consider the type of terrain your child will be riding on and their ability to handle gear shifting.
BrakesBrakes are essential for safety, and there are two main types: rim brakes and disc brakes. Rim brakes are lighter and easier to maintain, making them a good choice for younger or less experienced riders. Disc brakes offer better stopping power, especially in wet or muddy conditions, and are more suitable for older kids or those who ride on challenging trails. Ensure that the brakes are easy for your child to operate and provide reliable stopping power.
WeightThe weight of the bike can significantly affect your child's ability to handle and control it. Lighter bikes are easier to maneuver and less tiring to ride, which is especially important for younger or smaller children. However, lighter bikes can be more expensive. When choosing a bike, consider your child's strength and riding ability. A bike that is too heavy can be difficult for them to control, while a lighter bike can enhance their riding experience and confidence.