RoyalBaby RB18-38RH Kids Bike Review
Our verdict
The RoyalBaby RB18-38RH is a premium 18-inch kids bike with an aluminum frame, drum and V brakes, and a faux leather seat aimed at kids ages 5 to 9. It earns a 4.6-star rating from its early reviewers, and the aluminum frame keeps the bike lighter than steel competitors in the same wheel size.
Check price on AmazonBest for
Kids ages 5 to 9 ready for an 18-inch bike, especially those whose parents want a lighter aluminum frame and reliable dual-brake setup.
Skip if
You are budget-conscious, since at $289.99 this is one of the pricier 18-inch options, or if you need a larger sample of reviews before buying.
- Bike type Kids Bike
- Wheel size 18.0 in
- Frame material Aluminum
- Frame size 18 Inch
- Speeds 1
- Brakes Drum, V Brake
- Priced 93% above the category median ($150.26 across 82 tracked models)
- Weight of 22.5 lb - heavier than 61% of the 83 models we track
- Max rider weight of 45.0 lb - lower than 87% of the 83 models we track
Our scorecard
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Owner rating4.6/5
4.6 average across 101 owner ratings
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Popularity0.2/5
101 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 RB18-38RH runs on 18-inch alloy steel wheels with an aluminum frame, which is a step up from the carbon steel frames common at this size. It uses a drum brake in front and a V brake in the rear, providing good stopping control for riders who have outgrown coaster-only setups. The faux leather seat and single-speed drivetrain round out the build.', 'At 22.5 lb it is reasonably light for an 18-inch bike. The 45 lb max rider weight is on the conservative side, so heavier kids at the upper end of the 5-to-9 age range may need to check whether they fall within that limit. The red color gives it a clean, sporty look.', 'With 101 reviews and a 4.6-star rating, the feedback pool is still small but positive. Parents who have reviewed it highlight the build quality and the reliable brakes, which are important selling points at this price.']
Pros
- Aluminum frame is lighter than carbon or alloy steel alternatives
- Drum plus V brake combo gives strong, reliable stopping at 18 inches
- 4.6-star rating from reviewers is among the highest in the 18-inch category
- Faux leather seat is more comfortable than plain plastic
- Suits a wide 5-to-9 age span
Cons
- At $289.99, it is one of the more expensive 18-inch options
- 45 lb max rider weight is lower than some competing 18-inch bikes
- Only 101 reviews, so the rating may shift as more buyers weigh in
- No gears, which some older kids in the age range may want
Specifications
| Bike type | Kids Bike |
|---|---|
| Wheel size | 18.0 in |
| Frame material | Aluminum |
| Frame size | 18 Inch |
| Speeds | 1 |
| Brakes | Drum, V Brake |
| Suspension | Rigid |
| Drivetrain | Chain Drive |
| Wheel material | Alloy Steel |
| Seat | Faux Leather |
| Color | Red |
| Weight | 22.5 lb |
| Max rider weight | 45.0 lb |
| Age range | 5 - 9 Years |
| Skill level | Beginner |
| Power | Manual |
| Model year | 2023 |
Performance notes
18-inch alloy steel wheels on an aluminum frame keep the total weight at 22.5 lb, reasonable for kids ages 5 to 9. The drum and V brake pairing provides consistent stopping on both smooth and slightly rough surfaces. Single-speed drivetrain is maintenance-friendly. The 45 lb weight cap is worth double-checking for heavier riders.
What buyers say
The RB18-38RH holds a 4.6-star average across 101 reviews, which is encouraging even if the sample is modest. Early adopters consistently describe the bike as well-built and easy to assemble. The premium price filters toward parents prioritizing quality over cost, which likely skews the ratings positive.
More from RoyalBaby
Similar mountain, road, electric, cruiser, folding, hybrid and kids' bicycles to consider
Frequently asked questions
Is 45 lb the correct max rider weight for the RoyalBaby RB18-38RH?
The listed max rider weight is 45 lb, which is lower than many 18-inch bikes. This means heavier kids toward the top of the 5-to-9 age range may exceed the limit. Check your child's current weight against this spec before purchasing, and contact RoyalBaby directly if you need clarification.
What makes the RB18-38RH different from less expensive 18-inch kids bikes?
The aluminum frame and drum-plus-V brake combination are the main upgrades. Steel frames at this size typically add weight, and coaster-only bikes do not develop a child's hand brake habits. The RB18-38RH addresses both of those gaps, which justifies much of the $289.99 price.
Does the RoyalBaby RB18-38RH come with training wheels?
The spec data does not list training wheels for the RB18-38RH. At 18 inches, most kids in the target age range have already learned to balance without them. Confirm with the current Amazon listing before buying if training wheels are a must-have.