RoyalBaby RB24-37KH Mountain Bike Review
Our verdict
The RoyalBaby RB24-37KH is a capable 24-inch kids mountain bike with an aluminum frame, front suspension fork, disc brakes, and 8-speed derailleur drivetrain, priced at $430.12. A 4.5 rating from 393 reviewers puts it solidly in the upper tier for children's mountain bikes at this wheel size.
Check price on AmazonBest for
Kids aged 7 and up who are ready for real trail riding with gears, suspension, and proper disc braking
Skip if
Budget is a primary concern, or your child is not yet ready to manage an 8-speed drivetrain on varied terrain
- Bike type Mountain Bike
- Wheel size 24.0 in
- Frame material Aluminum
- Frame size 24 Inch
- Speeds 8
- Brakes Disc
- Priced 186% above the category median ($150.26 across 82 tracked models)
- Wheel size of 24.0 in - larger than 92% of the 83 models we track
- Speeds of 8 - higher than 99% of the 83 models we track
Our scorecard
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Owner rating4.5/5
4.5 average across 393 owner ratings
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Popularity2.3/5
393 owner reviews, fewer than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other mountain, road, electric, cruiser, folding, hybrid and kids' bicycles we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The RoyalBaby RB24-37KH steps beyond the typical 24-inch kids bike by pairing an aluminum frame with a true front suspension fork, disc brakes front and rear, and an 8-speed derailleur drivetrain. Most kids bikes at 24 inches use rigid frames with coaster brakes, so this configuration sets it apart for families who want their child to ride more serious terrain.
At 13.5 lb, it is light for a 24-inch geared bike. Aluminum construction is a key factor here, as steel-framed competitors in this size range often run considerably heavier. Lighter weight means the bike is easier for a child to carry, lift over obstacles, and maneuver through tight trail sections.
The twist grip shifter controls 8 speeds through a derailleur, giving riders the ability to climb hills without spinning out or power through flat stretches. Disc brakes provide reliable stopping power in wet conditions, which makes this bike genuinely usable on unpaved surfaces beyond the neighborhood sidewalk.
Pros
- Aluminum frame keeps weight down to 13.5 lb, light for a 24-inch geared kids bike
- 8-speed derailleur drivetrain handles varied terrain including hills
- Disc brakes front and rear offer reliable stopping in wet or dry conditions
- Front suspension absorbs trail bumps and rough pavement
- 4.5 rating from 393 buyers reflects strong satisfaction across a meaningful review base
Cons
- At $430.12 it is a significant investment compared to rigid single-speed 24-inch bikes
- 8-speed twist grip shifting adds complexity that younger or less coordinated riders may find challenging at first
- No minimum rider height listed in specs, so parents must size manually against the 24-inch wheel standard
Specifications
| Bike type | Mountain Bike |
|---|---|
| Wheel size | 24.0 in |
| Frame material | Aluminum |
| Frame size | 24 Inch |
| Speeds | 8 |
| Brakes | Disc |
| Suspension | Front |
| Drivetrain | Derailleur |
| Shifters | Twist Grip |
| Wheel material | Aluminum |
| Seat | Polyurethane (Pu) |
| Color | Black |
| Weight | 13.5 lb |
| Age range | 7+ Years |
| Skill level | Beginner |
| Power | Pedal Power |
| Model year | 2024 |
Performance notes
24-inch aluminum wheels, 8-speed derailleur drivetrain, twist grip shifter, front suspension, disc brakes front and rear. Frame material: aluminum. Weight: 13.5 lb. Seat material: polyurethane. Color: Black. Model year 2024. Age range: 7 and up.
What buyers say
With 393 reviews at a 4.5 average, buyer sentiment is strong. Parents of older kids frequently mention that the lightweight aluminum frame and disc brakes justify the price over budget steel-framed alternatives. Some buyers note that derailleur adjustment out of the box may need a minor tune, which is typical for geared bikes in this price category.
More from RoyalBaby
Similar mountain, road, electric, cruiser, folding, hybrid and kids' bicycles to consider
Frequently asked questions
Is the RoyalBaby RB24-37KH right for a 7-year-old beginner?
It depends on the child's riding experience and height. The 7-and-up age range covers a wide range of skill levels. For a child who has been riding single-speed bikes confidently and wants to explore trails or hills, this bike offers real progression. For a child just learning to ride, starting on a simpler single-speed 20-inch or 24-inch bike is more practical before stepping up to 8 speeds.
How does disc braking compare to the caliper or coaster brakes on other kids bikes?
Disc brakes use a rotor and caliper mounted at the wheel hub rather than squeezing the rim. They perform more consistently in wet, muddy, or dusty conditions because the braking surface stays cleaner than a rim. For trail riding or hilly terrain, the stopping improvement is noticeable. On flat dry pavement, the difference is less dramatic, so disc brakes make the most sense if your child rides in varied weather or on unpaved surfaces.
What is the weight limit for this bike?
No maximum rider weight is listed in the available spec data. For guidance, most 24-inch kids mountain bikes in this construction tier support riders in the range of 100 to 130 lb, but you should confirm with the manufacturer or product listing for an official figure before purchasing for a heavier rider.