Description
US Shipping in Stock by Oct 22! Limited Quantity for Holiday Season.
Cyberbike Scamp — Kids Electric Dirt Bike (HR-K20 Platform)
Big grins, small package.
The Cyberbike Scamp is our confidence-building kids e-moto, built on the proven HappyRun HR-K20 platform and supported by Cyberbike’s U.S. team. With real suspension, and chunky 12×3.0 tires, Scamp lets young riders explore safely while building skills.
Ideal for: ages 4+, riders up to 155 lb (70 kg), backyard tracks, fields, campsites, and gravel paths.
Top speed: up to 15 mph.
Range: up to 18 miles per charge (rider/terrain dependent).
Why parents love Scamp
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Confidence on mixed terrain: Front & rear suspension smooths bumps.
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Easy to live with: 36V 7.5Ah lithium battery, ~5h full charge with the included 42V 2A charger.
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Grip & stability: fat 12″ × 3.0 tires and a low seat help new riders balance.
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Simple, low-maintenance brake: reliable rear drum brake.
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See & be seen: bright LED headlight and onboard display.
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Built on a proven platform: engineered by HappyRun, QA’d and supported by Cyberbike.
Transparency note: Scamp is a Cyberbike-badged kids model based on the HappyRun HR-K20. We add our QC checklist, parts sourcing, and U.S. support—so you get great value with a team you can reach.
Specifications
| Item | Details |
|---|---|
| Model | HR-K20 (Cyberbike Scamp) |
| Dimensions (L×W×H) | 1150 × 540 × 750 mm |
| Package Size | 1060 × 230 × 580 mm |
| Net Weight | 40 lb |
| Maximum Load | 155 lb |
| Applicable Age | 4+ |
| Motor | 300W |
| Battery | 36V 7.5Ah Lithium |
| Charger | 42V 2A |
| Top Speed | 15 mph (limit via modes) |
| Maximum Range | Up to 18 miles |
| Speed Modes | 3 (7 / 10 / 15 mph) |
| Charging Time | ~5 hours |
| Tires | 12″ × 3.0 |
| Brakes | Rear drum |
| Lighting | LED headlight |
| Suspension | Front & rear |
| Display | Included |
Range is an estimate based on rider weight, speed mode, terrain, and temperature.
Sizing & Setup
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Recommended rider height: generally 39–57 in (100–145 cm).
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Assembly: arrives mostly assembled; typical setup includes handlebar/controls check, front fender, and charging the battery. Simple hand tools required.
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Parental setup: choose a speed mode before first ride; start with 7 mph and step up as skills improve.
Safety & Use
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Off-road use only; not street-legal.
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Always wear a properly fitted helmet (we recommend youth MIPS), gloves, long sleeves, and closed-toe shoes.
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Adult supervision required. Choose safe, open areas free of traffic and obstacles.
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Inspect fasteners, tire pressure, and brakes before each ride.
What’s in the Box
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Cyberbike Scamp (HR-K20 platform)
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36V 7.5Ah battery (installed)
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42V 2A charger
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Quick-start & safety guide
Colors
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Camo Green (shown). Additional finishes may vary by batch—check availability.
Warranty & Support
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Backed by Cyberbike customer support in the U.S. (parts, troubleshooting, how-to videos).
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Contact us for warranty specifics and spare parts availability.
FAQs
How fast is it? Is there a limiter?
Up to 15 mph in Mode 3. Parents can select 7 or 10 mph modes for beginners.
How long does the battery last?
Up to 18 miles in ideal conditions. Expect less with heavier riders, hills, soft surfaces, or higher speeds.
What maintenance is needed?
Keep tires inflated, charge the battery monthly if unused, and periodically check fasteners, chain tension (if applicable), and brake function.
Is it water-resistant?
Fine for light splashes and dust. Avoid submersion, pressure washing, and storing in heavy rain.
Reviews
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