RoyalBaby Kids Mountain Bike vs RoyalBaby Ares Kids Mountain Bike: Spec Comparison
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You are comparing the royalbaby kids mountain bike vs ares kids mountain bike to find the right fit for your child. Both models share lightweight aluminum frames and disc brakes for safe stopping power. The main difference lies in their scale. The X9 targets older kids with a 24-inch wheel and 21 speeds. The Ares suits younger riders with a 20-inch wheel and 7 speeds. Choose based on your child's age and height needs.
Key differences
| Aspect | RoyalBaby X9 24-Inch Kids Mountain Bike | RoyalBaby Ares 20-Inch Kids Bike |
|---|---|---|
| Wheel Size | 24 Inch | 20 Inch |
| Target Audience | 10-14 Years Old | 6-11 Years |
| Number of Speeds | 21-Speed | 7-Speeds |
| Frame Material | Aluminum alloy | Aluminum |
| Brake Type | Dual disc | disc brakes |
Which one should you choose?
Choose RoyalBaby X9 24-Inch Kids Mountain Bike if
- You have a child aged 10 to 14 who needs a larger 24-inch wheel.
- You want a bike with 21 speeds for tackling varied slopes.
- You prefer a frame explicitly described as aluminum alloy for robustness.
Choose RoyalBaby Ares 20-Inch Kids Bike if
- You have a child aged 6 to 11 who needs a smaller 20-inch wheel.
- You want a simpler 7-speed drivetrain for easier hill climbing.
- You are looking for a bike with a hardtail front shock for comfort.
Verdict: The RoyalBaby X9 is the better choice for older children aged 10 to 14 who need more gears and a larger frame. The RoyalBaby Ares is ideal for younger kids aged 6 to 11 who need a smaller, simpler bike. Select the model that matches your child's current age and height requirements.
Specs: X9 vs Ares Comparison
Target audience
The RoyalBaby X9 targets children aged 10 to 14 years. This older demographic typically requires a larger bike with more advanced gearing. The RoyalBaby Ares is designed for kids aged 6 to 11 years. It suits younger riders who are still developing coordination and strength. The age ranges overlap slightly, but the X9 is built for pre-teens. The Ares fits younger children better. You should choose the model that matches your child's current age group for the best fit.
Wheel size
Wheel size is a major difference between these two bikes. The RoyalBaby X9 comes with 24-inch wheels. This larger size offers better momentum and stability on trails for older kids. The RoyalBaby Ares features 20-inch wheels. This smaller size is easier for younger children to handle and maneuver. The 20-inch wheels allow for quicker turns and easier mounting. The 24-inch wheels provide a more grown-up riding experience. Your choice depends on your child's height and riding confidence.
Number of speeds
Gearing options vary significantly between the two models. The RoyalBaby X9 offers a 21-speed drivetrain. It has three chainrings in the front and seven cogs in the rear. This wide range helps tackle steep slopes and varied terrain. The RoyalBaby Ares has a 7-speed drivetrain. It is simpler to operate and sufficient for gentle hills and flat paths. The 21-speed system provides more versatility for serious trail riding. The 7-speed setup is less complex for younger riders.
Brake type
Both bikes prioritize safety with disc braking systems. The RoyalBaby X9 uses a dual disc brake system. This setup provides reliable stopping power on both wheels. The RoyalBaby Ares also features disc brakes. The product description highlights reliable front and rear disc brakes. Both models ensure responsive stopping power for safe rides. The braking technology is comparable in function. You can expect good control in both cases. Neither model offers a distinct advantage in braking performance based on the available data.
Frame material
Both bicycles utilize lightweight aluminum for their frames. The RoyalBaby X9 specifies an aluminum alloy frame. It notes that this material is lighter and more robust than traditional iron. The RoyalBaby Ares also uses an aluminum frame. It emphasizes durability and reduced fatigue for long rides. Both frames are designed to be easy for kids to handle. The material choice ensures strength without adding excessive weight. This makes both bikes suitable for growing children who need a sturdy yet manageable ride.
Which RoyalBaby Kids Bike Fits You
Parents of teens needing long-distance capability
The X9 features a 21-speed drivetrain with three front and seven rear gears. This wider range helps your child tackle varied slopes and longer trails with ease. The 24-inch wheels provide better momentum for older riders who need to cover more ground efficiently on diverse terrains.
Families with younger kids starting off-road
The Ares is built for kids aged 6 to 11. Its 20-inch wheels and 7-speed setup offer manageable control for beginners. The lightweight aluminum frame reduces fatigue, allowing younger riders to build confidence. The disc brakes ensure reliable stopping power as they learn to navigate city streets and light trails.
Shoppers prioritizing portability and quick storage
The X9 includes a quick-release system for the front wheel. This allows you to remove it rapidly for easy transport in a car trunk. This feature is ideal for families who frequently take bikes on spring outings or need to store the bike in limited space without complex disassembly.
Buyers seeking a compact, lightweight entry bike
The Ares weighs 24 pounds, making it easy for smaller children to handle. The hardtail front shock absorbs bumps while keeping the bike simple. The adjustable seat grows with your child, ensuring a proper posture. This model offers a straightforward, durable option for younger riders who do not need complex gearing.
The products compared
RoyalBaby X9 24-Inch Kids Mountain Bike
Best for: Older kids needing lightweight trail riding
- Wheel Size
- 24"
- Suspension Type
- Front suspension
- Frame Material
- Aluminum alloy
- Brake Type
- Dual disc
- Number of Speeds
- 21-speed
- Target Audience
- Kids, boys, girls
View on Amazon: RoyalBaby X9 24-Inch Kids Mountain Bike Affiliate link
The RoyalBaby X9 is a 24-inch kids mountain bike built for riders aged 10 to 14. It uses an ultra-light aluminum alloy frame that weighs just 5.51 lbs. The 21-speed drivetrain handles varied slopes, while dual disc brakes offer reliable stopping power. A suspension fork and quick-release front wheel add versatility for off-road trails and easy transport.
Pros
- Ultra-light aluminum alloy frame weighs 5.51 lbs
- 21-speed drivetrain adapts to diverse terrain
- Dual disc brake system ensures safer stops
- Quick-release front wheel allows easy removal
- Suspension fork absorbs off-road bumps
Cons
- Only includes a suspension fork, not full suspension
- Frame weight listed without total bike weight
- No mention of integrated gear indicators
Good fit if
- You need a lightweight bike for a growing child
- You want reliable braking on varied terrain
- You value easy wheel removal for transport
Skip if
- You require full suspension for heavy jumps
- Your child is under 10 years old
- You prefer a steel frame for durability
Verdict: RoyalBaby X9 24-Inch Aluminum Kids Bike is a practical option for older kids who need a lightweight, versatile bike for trails. It fits riders aged 10-14 who benefit from easy maintenance and reliable braking.
RoyalBaby Ares 20-Inch Kids Bike
Best for: Kids aged 6 to 11 seeking durable aluminum bikes
- Wheel Size
- 20"
- Suspension Type
- Front suspension
- Frame Material
- Aluminum
- Brake Type
- Disc
- Number of Speeds
- 7-speed
- Target Audience
- Kids, boys, girls (6-10 years)
View on Amazon: RoyalBaby Ares 20-Inch Kids Bike Affiliate link
The RoyalBaby Ares is a 20-inch kids mountain bike built with an ultra-light aluminum frame. It features a 7-speed drivetrain and a hardtail front suspension fork to handle varied terrain. The bike includes reliable disc brakes for consistent stopping power. Weighing 24 pounds, it is designed for children aged 6 to 11. The adjustable seat allows the bike to grow with your child, extending its usable life.
Pros
- Aluminum frame reduces weight for easier handling
- 7-speed drivetrain aids smooth hill climbing
- Disc brakes provide responsive stopping power
- Hardtail front shock absorbs trail bumps
Cons
- 24-pound weight may be heavy for smaller riders
- Front suspension only lacks rear damping
- Single color option limits style choices
Good fit if
- You want an aluminum frame for durability
- You need disc brakes for reliable stopping
- Your child is between 6 and 11 years old
Skip if
- You prefer a full-suspension ride comfort
- You need multiple color options
- You require a lighter build under 20 pounds
Verdict: RoyalBaby Ares 20-Inch Aluminum Kids Bike offers a durable aluminum build and reliable disc brakes for young riders. It suits children aged 6 to 11 who need a sturdy bike that grows with them.
Specifications side by side
| Spec | RoyalBaby X9 24-Inch Kids Mountain Bike | RoyalBaby Ares 20-Inch Kids Bike |
|---|---|---|
| Wheel Size | 24" | 20" |
| Suspension Type | Front suspension | Front suspension |
| Frame Material | Aluminum alloy | Aluminum |
| Brake Type | Dual disc | Disc |
| Number of Speeds | 21-speed | 7-speed |
| Target Audience | Kids, boys, girls | Kids, boys, girls (6-10 years) |
| Size | 24 Inch | 20 Inch |
| Weight | not stated | 24 pounds |
| Color | Lime Green | Beige |
| Model | RB24-X9G | RB20-68W |
Frequently asked questions
Is the RoyalBaby X9 better for older kids than the Ares?
Yes, the X9 is designed for riders aged 10 to 14. It features a 24-inch wheel size and a 21-speed drivetrain. These specs support longer trails and more advanced riding. The Ares targets younger children aged 6 to 11 with a smaller 20-inch frame.
Does the RoyalBaby Ares have a suspension fork?
Yes, the RoyalBaby Ares is a hardtail mountain bike. This means it has a front suspension fork to absorb bumps. The X9 does not list suspension in its attributes. It relies on its aluminum frame and tire volume for comfort on trails.
How much does the RoyalBaby Ares weigh?
The RoyalBaby Ares weighs 24 pounds. This lightweight aluminum build helps young riders maneuver easily. The X9 is also aluminum but does not list a specific weight. Its 24-inch wheels and 21-speed gearing suggest it is built for slightly heavier, older riders.
Which bike has more gears for steep hills?
The RoyalBaby X9 offers 21 speeds. It uses a 3x7 gear configuration for varied terrain. The Ares has 7 speeds total. This simpler setup is sufficient for younger kids on flatter ground or gentle slopes. The X9 provides more options for challenging climbs.
Are both bikes suitable for boys and girls?
Yes, both models list their target audience as kids, girls, and boys. The X9 comes in green. The Ares is available in white. Both use gender-neutral sizing and frame geometry. Your child can choose based on color preference and fit rather than gender.
Can the RoyalBaby Ares handle rough trails?
Yes, the Ares is built as a hardtail mountain bike. It features durable aluminum construction and disc brakes. The 20-inch wheels and 7-speed gearing suit moderate trails for younger riders. It is not designed for extreme terrain but handles typical kid-friendly paths well.
What size wheels does the RoyalBaby X9 have?
The RoyalBaby X9 has 24-inch wheels. This size fits taller children aged 10 to 14. It provides better momentum and stability on longer rides. The Ares uses 20-inch wheels, which are ideal for shorter riders between 6 and 11 years old.

