Retrospec Dart Plus 20-Inch Kids vs Retrospec Dart Plus 24-Inch Kids (2026): Key Differences
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This retrospec dart plus 20 inch kids vs dart plus 24 inch kids comparison helps you pick the right frame for your rider. Both models share a lightweight aluminum build, 7-speed Shimano drivetrain, and mechanical disc brakes. The main difference is wheel size. The 20-inch model suits younger children aged 6-8. The 24-inch model targets older kids aged 8-11. You should choose based on your child’s current height and riding experience.
Key differences
| Aspect | Retrospec Dart Plus 24-Inch Kids Bike | Retrospec Dart Plus 20" 7-Speed |
|---|---|---|
| Wheel Size | 20-Inch | 24-Inch |
| Target Audience | Ages 6-8 | Ages 8-11 |
| Suspension Type | 40mm front fork | 50mm front fork |
| Weight | 27 pounds | 30.6 pounds |
| Seat Height Range | 21.75"-27" | 26"-32.5" |
Which one should you choose?
Choose Retrospec Dart Plus 24-Inch Kids Bike if
- You have a child aged 6-8 who needs a bike that is easier to handle.
- You want the lighter frame that weighs 27 pounds.
- Your child is still developing basic riding skills and needs a lower standover height.
Choose Retrospec Dart Plus 20" 7-Speed if
- You have a child aged 8-11 who has outgrown smaller wheels.
- You prefer a longer seat height range that grows with a taller rider.
- Your child rides on varied terrain and benefits from the 50mm suspension fork.
Verdict: Choose the 20-inch model for younger riders who need a lighter, more manageable bike. Pick the 24-inch version for older kids who need a larger frame and longer travel suspension. Both offer the same reliable drivetrain and braking system.
Specs Compare Dart Plus 20 vs 24
Wheel size and fit
The Retrospec Dart Plus 24-Inch Kids Bike features 24-inch wheels, designed for riders aged 8 to 11 years. This larger wheel diameter offers better momentum and stability for older children navigating varied terrain. In contrast, the Retrospec Dart Plus 20-Inch Kids Bike uses 20-inch wheels, targeting younger riders aged 6 to 8 years. The smaller wheels make the bike easier to handle for smaller statured children. Choosing the correct wheel size ensures the bike matches your child's physical growth and riding confidence level.
Suspension travel
Both bikes include front suspension forks to absorb bumps, but the travel distance differs. The 24-inch model comes equipped with a 50mm front suspension fork, providing slightly more travel to smooth out rougher trails and larger impacts. The 20-inch model features a 40mm suspension fork, which offers adequate comfort for typical kid riding but with less travel distance. The extra 10mm of travel on the larger bike may benefit riders who tackle more challenging paths or prefer a softer ride over rocks and roots.
Frame weight
Weight plays a significant role in how easily a child can maneuver their bike. The Retrospec Dart Plus 24-Inch Kids Bike weighs 30.6 pounds. The Retrospec Dart Plus 20-Inch Kids Bike is lighter, weighing just 27 pounds. The 3.6-pound difference is noticeable, making the 20-inch model easier for younger or smaller riders to lift, carry, or control during stops. The lighter build of the smaller bike supports developing riders who may struggle with heavier frames.
Drivetrain and speeds
Both models share the same drivetrain configuration, featuring a 7-speed Shimano system. Each bike uses Revoshift twist-grip shifters, allowing kids to change gears while keeping both hands on the handlebars for safety. This consistent setup means you do not need to teach different shifting techniques for each size. The mechanical components are identical, ensuring similar performance and reliability regardless of whether you choose the 20-inch or 24-inch frame size.
Brake type
Stopping power is critical for safety, and both bikes utilize front and rear mechanical disc brakes. This system provides reliable stopping power in various weather conditions, including wet or muddy trails. The brake levers on both models are sized for small hands and feature tool-free adjustment capabilities. Since the braking hardware is the same on both frames, your child will experience consistent braking feel and performance, regardless of the wheel size selected.
Tire width
Both the 20-inch and 24-inch models are equipped with 2.30-inch wide tires. This width offers a balance of grip and rolling resistance, suitable for mixed surfaces like dirt paths, grass, and pavement. The shock-absorbing nature of these tires helps smooth out vibrations from the ground. Since the tire dimensions are identical, the riding feel regarding traction and comfort will be similar, with the primary difference being the overall wheel diameter rather than the contact patch width.
Which Dart Plus model fits your child
Riders aged 6 to 8 years old
The 20-inch Dart Plus weighs 27 pounds, making it significantly lighter and easier for younger children to handle. Its adjustable seat range of 21.75 to 27 inches accommodates growing riders in this age bracket. The 40mm suspension fork and ergonomic geometry provide comfort and control as they develop basic riding skills on local trails.
Riders aged 8 to 11 years old
This 24-inch model suits older kids with a higher weight limit of 30.6 pounds. The seat adjusts from 26 to 32.5 inches, supporting taller frames. Larger 24-inch wheels offer better momentum and stability for navigating varied terrain. The 50mm front suspension fork absorbs more impact, ensuring a smoother ride for growing pre-teens.
Budget-conscious parents seeking value
The 20-inch Dart Plus offers a complete package with an aluminum frame, 7-speed Shimano drivetrain, and mechanical disc brakes. At 27 pounds, it is easier to manage than the larger model. The lightweight design and tool-free brake adjustments make it a practical choice for younger riders who need reliable performance without excessive weight.
The products compared
Retrospec Dart Plus 24-Inch Kids Bike
Best for: Growing riders aged 8 to 11 years
- Wheel Size
- 24-Inch
- Suspension Type
- 50mm front suspension fork
- Frame Material
- aluminum
- Brake Type
- Front and rear mechanical disc brakes
- Number of Speeds
- 7-Speed
- Tire Width
- 2.30"
View on Amazon: Retrospec Dart Plus 24-Inch Kids Bike Affiliate link
The Retrospec Dart Plus 24-inch bike features a lightweight 30.6 lb aluminum frame designed for riders aged 8 to 11. It uses a 7-speed Shimano drivetrain with twist-grip shifters for easy gear changes. Mechanical disc brakes provide reliable stopping power. The 50mm front suspension fork and 2.30-inch tires handle varied terrain. A wide seat adjustment range allows the bike to grow with your child.
Pros
- Lightweight 30.6 lb aluminum frame for easy handling
- Shimano 7-speed drivetrain with safe twist-grip shifters
- Mechanical disc brakes sized for small hands
- Wide 26 to 32.5 inch seat height range
Cons
- Only 7 speeds limit top-end gearing options
- Front suspension fork is limited to 50mm travel
- Heavier than the 20-inch Dart Plus variant
Good fit if
- You need a bike for a child aged 8 to 11
- You want reliable mechanical disc brakes
- You prefer twist-grip shifters for easy gear changes
Skip if
- Your child is under 8 years old
- You require a 20-inch wheel size
- You need more than 7 speeds
Verdict: The Retrospec Dart Plus 24-Inch Kids Bike suits growing riders aged 8 to 11 who need a durable, easy-to-shift bike with reliable brakes.
Retrospec Dart Plus 20" 7-Speed
Best for: Kids aged 6 to 8 years
- Wheel Size
- 20"
- Suspension Type
- 40mm suspension fork
- Frame Material
- Aluminum
- Brake Type
- Front and rear mechanical disc brakes
- Number of Speeds
- 7-speed
- Tire Width
- 2.30"
View on Amazon: Retrospec Dart Plus 20" 7-Speed Affiliate link
This Retrospec Dart Plus is a 20-inch aluminum bike built for kids ages 6 to 8. It features a 7-speed Revoshift twist-grip shifter and mechanical disc brakes for reliable control. The 40mm suspension fork and 2.30-inch tires absorb bumps on varied terrain. Weighing 27 pounds, the frame includes tool-free brake adjustments and an adjustable seat height to grow with your child.
Pros
- Lightweight 27-pound aluminum frame with kid-centric geometry
- 7-speed Revoshift twist-grip shifter for easy gear changes
- Mechanical disc brakes provide all-weather stopping power
- 40mm suspension fork and 2.30-inch tires enhance comfort
Cons
- 20-inch wheel size limits use to younger children
- Single color option in Fairy Floss for this size
- No mention of included accessories like lights or bell
Good fit if
- You need a bike for a child aged 6 to 8
- You want mechanical disc brakes for reliable stopping
- You prefer a lightweight aluminum frame for easy handling
Skip if
- Your child is older than 8 years old
- You require a larger 24-inch wheel size
- You need a bike for adult riders
Verdict: Retrospec Dart Plus 20-Inch Kids Bike fits young riders who need a lightweight, adjustable bike with reliable braking. It is ideal for children aged 6 to 8 mastering varied terrain.
Specifications side by side
| Spec | Retrospec Dart Plus 24-Inch Kids Bike | Retrospec Dart Plus 20" 7-Speed |
|---|---|---|
| Wheel Size | 24-Inch | 20" |
| Suspension Type | 50mm front suspension fork | 40mm suspension fork |
| Frame Material | aluminum | Aluminum |
| Brake Type | Front and rear mechanical disc brakes | Front and rear mechanical disc brakes |
| Number of Speeds | 7-Speed | 7-speed |
| Tire Width | 2.30" | 2.30" |
| Target Audience | Boys & Girls 8-11 Years Old | Kids ages 6-8 years |
| Weight | 30.6 pounds | 27 pounds |
| Size | 24" | 20" |
| Color | Fairy Floss | Fairy Floss |
| Model | 6073 | 6071 |
Frequently asked questions
Which Dart Plus is better for a 9-year-old?
The 24-inch model is the better fit for a 9-year-old. This bike is designed for riders aged 8 to 11 years. It features 24-inch wheels that provide better stability on varied terrain. The 20-inch version targets younger children aged 6 to 8, so the larger frame suits older kids better.
Does the 24-inch Dart Plus weigh more than the 20-inch?
Yes, the 24-inch Dart Plus is heavier. It weighs 30.6 pounds. The 20-inch model weighs 27 pounds. The extra weight comes from the larger frame and wheels. You should consider if your child can handle the additional mass for their riding style.
Are both bikes available in the same color?
Yes, both models are available in Fairy Floss. The 24-inch bike (model 6073) and the 20-inch bike (model 6071) share this color option. You can choose your preferred size without sacrificing your child's favorite color choice.
Do both bikes have the same number of gears?
Yes, both bikes feature a 7-speed drivetrain. This allows you to adjust speed for different terrains. The gear system is identical on both the 20-inch and 24-inch models. You get the same shifting capability regardless of the wheel size you choose.
Is the frame material different between the two sizes?
No, both bikes use an aluminum frame. This material keeps the bikes lightweight and durable. The frame construction is consistent across both sizes. You get the same sturdy build quality whether you pick the 20-inch or 24-inch version.
Which bike is lighter for easier handling?
The 20-inch Dart Plus is lighter. It weighs 27 pounds compared to the 30.6-pound 24-inch model. The reduced weight makes it easier for younger children to maneuver. This makes the smaller bike ideal for kids who are still mastering balance and control.