When it comes to finding the right bike for your growing kid, the 24-inch size is a solid choice. It strikes a balance that’s just right for young riders transitioning to something a bit more advanced.
Let’s take a closer look at three standout options: the Retrospec Dart, JOYSTAR Brockway, and Glerc. Each of these bikes has unique features that make them appealing, whether it’s adjustability to keep up with your child’s growth, durability for those inevitable tumbles, or a drivetrain that can handle a variety of terrains.
You might be considering whether to go for a 7-speed setup or the smoothness of disc brakes for your new rider. It’s a bit of a puzzle, but don’t worry; once you line these bikes up and compare them, you’ll likely find the one that clicks for your needs.
Let’s dive into the specifics and see what each bike brings to the table!
Retrospec Dart 20 & 24 Inch Kids Bike with 7-Speed Hybrid, V-Brakes
- ADJUSTABLE COMFORT DESIGN: Easy-to-modify seat height and handlebar positioning adapts as young riders grow, while ergonomic grips ensure comfortable control during every adventure
- ADVANCED BRAKING SYSTEM: Kid-sized V-brake levers with adjustable reach deliver responsive stopping power, making it safer and easier for small hands to control their ride
- ALL-TERRAIN CAPABILITY: Rugged tires with deep grooves provide strong grip on multiple surfaces, while shock-absorbing suspension smooths bumpy paths for bikes for kids, both boys and girls
- VERSATILE 7-SPEED SYSTEM: Multiple gears help kids master shifting while conquering various terrains - from neighborhood streets to gentle hills, this kid bike adapts to any adventure
- ERGONOMIC FRAME GEOMETRY: The 20 & 24-inch Retrospec bike has a lightweight design and kid-specific proportions, creating a balanced, stable ride that helps young riders learn proper biking techniques
If you’re shopping for a bike that grows with your kid, this Retrospec Dart 20 & 24 Inch is a solid pick thanks to its adjustable design. I’ve seen my own kid go from wobbling to confident on that 7-speed hybrid, and the V-brake levers don’t feel like hand cranks. The seat and handlebars slide up as they grow, which means fewer bikes to buy later. The rugged 29-inch tires grip well on varied surfaces, and the suspension smooths out rough paths. It’s lightweight too, so it’s not a chore to ride or steer for small hands everyday, honestly.
Best For: Parents looking for a growing bike for kids aged roughly 6–11, with adjustable height, a 7-speed system, V-brakes, and versatile tires for mixed terrains.
Pros:
- Adjustable seat and handlebars to grow with your child, reducing the need for a new bike every year.
- 7-speed hybrid drivetrain helps kids learn shifting and tackle gentle hills.
- Lightweight frame with kid-friendly ergonomics and reliable V-brake stopping power.
Cons:
- More complex to maintain and tune than a basic single-speed kids bike.
- Slightly heavier than entry-level models, which may be tougher for the smallest riders.
- Larger 29-inch tires may feel less maneuverable in tight or crowded spaces for younger beginners.
JOYSTAR Brockway Freestyle Kids BMX Bike 20/24-Inch, for Ages 6-14, Boys & Girls, 2 Pegs, Multiple Colors
- Design for Beginner Riders - The JOYSTAR 24 inch bmx bikes is a great first BMX bike for young riders that offers everything a beginning rider needs to hit the streets! Suggested rider height is 4'6" - 5'0".
- Durable Frame - The hi-tensile frame is made from strong Hi-Ten steel to give riders reliable support and long-lasting comfort and this bmx kids bicycle is perfect for the street, park or trails with 22" top tube length.
- Easy to Ride - The single speed drivetrain features 165 mm one-piece crank with a 40T chainring. Aluminum U-brake and Hand-brake levers provide precision speed control.
- Reliable Wheelset - The wheelset features 20" x 2.125" tires mounted on carbon steel single wall 36H rims with 3/8" female axle front hub and 18T cog sealed bearing cassette rear hub.
- Assemble and Warranty - 85% of the 24 inch bike is assembled and comes with assembly tools. It's backed by a limited life time warranty.
The JOYSTAR Brockway Freestyle BMX Bike is a solid pick for kids aged 6–14 who want a true freestyle ride without a full-scale BMX. I like that it comes in 20″ and 24″ sizes and fits beginners like me, with a 46-50 inch rider height as guide. The hi-tensile frame feels sturdy, and the dual brakes—aluminum U-brake and hand lever—make speed control easier than I expected. With 2 pegs and colorful options, it’s kind of inviting for tricks without getting too flashy. Assembly is mostly done for you, and the warranty offers peace of mind, too. I’d totally recommend.
Best For: Kids aged 6–14 who want a beginner-friendly freestyle BMX with 20″ or 24″ sizing and reliable dual braking.
Pros:
- Versatile 20″ and 24″ sizes for growing riders
- Sturdy hi-tensile frame for durability and reliability
- Dual braking system (aluminum U-brake and hand brake) for precise control
Cons:
- Only a single-speed drivetrain may limit more advanced tricks
- 85% pre-assembled; some assembly still required
- Limited color/feature options may feel basic for some buyers
Glerc 20/24 Inch Kids Bike with 21-Speed, Front Suspension & Disc Brakes, Multiple Colors
- 【Sturdy Frame】The kids mountain bike is made of high carbon steel frame, which can easily handle the challenges of off-road adventures, providing a reliable foundation for your child's adventures.
- 【Ride Anytime】This mountain bike is equipped with a 21-speed drivetrain, offering versatile speed options to tackle diverse terrains, while its smooth and efficient gear shifting further elevates the riding experience.
- 【Easy Distance Control】This kids bicycle features responsive disc brakes that provide more precise braking control and maintain excellent performance in adverse conditions, allowing your child to ride with confidence.
- 【Safer Adventure】The suspension fork of the kids bike absorbs shock and vibration from rough terrain, greatly improving comfort and maneuverability during riding.
- 【Size Information】This 24 inch bike is suitable for children ages 9-15, 53"-66" tall, with an inseam height of 24"-29". The bike weighs 34 lbs. Please focus on your child's height and inseam to choose the size.
This Glerc 20/24 Inch Kids Bike stands out for families looking for real versatility—the 21-speed drivetrain gives you options from fast cruising to climbing hills, with front suspension and disc brakes to handle rougher trails. I’ve found the high carbon steel frame feels solid, built to withstand off-road adventures, and it’s nice seeing a bike that grows with your kid. The 21 gears shift smoothly, and the disc brakes respond reliably, even in wet conditions. At 30 pounds, it’s manageable for most kids, and the multiple colors help everyone pick a favorite. I’d recommend it for curious riders today.
Best For: families seeking a versatile, growing kids bike with 21 speeds, front suspension, and disc brakes for off-road-friendly rides.
Pros:
- 21-speed drivetrain offers versatility for diverse terrains
- Front suspension and disc brakes improve comfort and stopping power
- Solid high carbon steel frame and 30 lb weight provide durability while remaining manageable for kids
Cons:
- 30 pounds may be heavy for the youngest riders within the target range
- Sizing is best for kids 45–55 inches tall; may not fit shorter or taller children
- Higher upfront cost and potential maintenance needs compared to basic bikes
Factors to Consider When Choosing a 24-Inch Bike for Kids
I start by checking the rider height range to make sure the kid can stand over the frame comfortably. Then I look at frame size fit, the braking system type, the gear range choice, and whether they really need suspension. It’s a lot to weigh, but finding the right balance usually means a bike that’s easy to ride and grows with them.
Rider Height Range
Getting the fit right for a 24-inch bike often comes down to rider height and inseam, not just the number on a chart. I’ve found that a rider height of about 4’6″ to 5’0″ is a good target, but it depends on design and specs. inseam around 25-30 inches helps a comfortable fit, so I measure before picking. When kids can reach pedals and handlebars without straining, control and safety improve—it’s that simple. Manufacturers usually publish height and inseam guidelines, and I rely on those as a starting point. In my experience, a properly sized bike also leaves room for growth, so we don’t outgrow it in a season. I don’t want to oversize or undersize, because either choice makes learning harder. Trust me.
Frame Size Fit
Frame size matters because the right fit makes steering, braking, and pedaling feel natural. For a 24-inch bike, the frame is typically designed for kids around 46–50 inches tall, which gives a comfy riding position I’d want for my kid. A proper frame fit means I can reach the handlebars and pedals without twisting or rounding shoulders. That safety margin matters—balance stays solid when your feet can plant confidently on the ground and your knees aren’t cranking. I like bikes with adjustable seat height and handlebar position because growth happens fast. And I also check the inseam, not just height, so the rider can touch the ground seated. It’s about confidence and control, plain and simple. That honest fit makes learning new skills easier.
Braking System Type
Braking is where safety meets everyday riding, and the right type helps a kid actually stop when it’s needed. I’ve seen how responsive V-brakes feel in small hands, and I’d pick them for most younger riders because they’re easy to reach and predictable. Disc brakes sound fancy, but they’re really shine in wet weather and on rough paths, giving parents peace of mind on off-road adventures. Adjustable brake levers are a small upgrade that makes a big difference as a rider grows. The choice between single speed and multi-speed can affect braking setup, since more gears sometimes need a bit more tuning to keep stops smooth. In my experience, a well-matched system is the secret to confident rides. It’s easier on kids and parents.
Gear Range Choice
When you’re choosing a 24-inch bike, the gear range matters as much as the wheels you pick. A 24-inch bike can be single-speed or have seven speeds or more, which means you’ll have options for different terrains. In my experience, bikes with 7-speed or higher drivetrains, like 21-speed setups, are great for helping a rider tackle hills and varied landscapes. The ability to shift gears keeps pedaling efficient and comfy, especially on inclines or changing surfaces. A lightweight frame plus the right gear range boosts stability and control, making learning feel smoother. Remember to take into account age, height, and experience—those factors really shape what gear system fits best for them. If you’re unsure, start with a versatile 7-speed and adjust as confidence grows over time.
Suspension Needs
Suspension needs are really a matter of where your kid plans to ride and how much road they’re willing to tackle. I’ve found that front suspension helps when trails get rough, giving better control and keeping the front wheel glued to the ground. For casual rides, a fork with modest travel can smooth out small bumps without adding unnecessary weight. If you’re planning off-road adventures, more suspension travel can absorb bigger impacts, though it might slow handling a bit. I think a balance works best: enough travel to feel comfy, not so much that the bike feels wobbly. In my experience, choose based on skill level and intended use. That approach keeps it comfy, confident, and ready to ride more.
Terrain Application
Terrain plays a big role when you’re picking a 24-inch bike for a kid, and the tires you choose matter a lot. I’ve learned that rugged tires with deep grooves pay off on off-road and bumpy surfaces, because grip matters when trails get messy. A suspension system helps too; it smooths the ride and makes it easier for kids to stay confident on uneven terrain. The gear system matters as well—more gears mean easier pedaling on hills and varied paths, which keeps kids from quitting early. Brakes shouldn’t be ignored, either; responsive disc brakes perform better in adverse conditions than traditional ones. Overall, a durable frame and build quality seal the deal for safety and long rides. I’d say it’s worth prioritizing now, too.
Conclusion
When it comes to picking the right 24-inch bike for your kid, there’s no one-size-fits-all solution, and that’s totally fine! Each of these bikes shines in its own way. The Retrospec Dart is great for new riders thanks to its smooth gearing, making those first wobbly rides feel a bit less daunting. Then there’s the JOYSTAR Brockway, which boasts a sturdy frame that really keeps things steady—perfect for kids who like predictability on their adventures. And let’s not forget the Glerc, which offers a whopping 21 speeds to conquer those pesky hills without breaking a sweat.
So, why not chat with your kid about what they like in a ride? After all, choosing a bike is like picking the best sidekick for their adventures. If they value smooth shifting, comfort, and reliability, any of these options would be a solid buy. Get ready to hit the trails and make memories—grab one of these bikes and let the fun begin!
Last update on 2026-02-20 / Affiliate links / Images from Amazon Product Advertising API
