Gotrax Flex Ultra vs NIU KQi3 Pro
Side-by-side comparison · Specs, scores & AI verdict
Too close to call — scores within 5 points
Why choose one over the other?
Reasons to choose Gotrax Flex Ultra
- •Dual suspension for improved comfort over uneven terrain
- •14" wheels for increased stability and obstacle clearance
- •750W peak motor power for stronger acceleration
Reasons to choose NIU KQi3 Pro
- •49.9 km range for longer rides between charges
- •20.3 kg curb weight for easier portability and storage
- •IP54 water and dust resistance for all-weather use
- •Front and rear disc brakes for enhanced stopping power
| Spec | Gotrax Flex Ultra | NIU KQi3 Pro |
|---|---|---|
| ⚡ Drivetrain | ||
| Peak Power | 750 W ✓ | 700 W |
| Continuous Power | 500 W ✓ | 350 W |
| Max Torque | — | — |
| Top Speed | 32.2 km/h | 32.2 km/h |
| Max Incline | 20 ° | — |
| Drive Config | Rear | Rear |
| Dual Motors | ✗ | ✗ |
| 🔋 Battery & Range | ||
| Battery Capacity | 480 Wh | 487 Wh ✓ |
| Amp Hours | 10 Ah | 10.1 Ah ✓ |
| Charge Time | — | 6 h |
| Claimed Range | 40.2 km | 49.9 km ✓ |
| Cell Chemistry | Lithium-ion | Lithium-ion |
| Removable Battery | ✗ | ✗ |
| Regen Braking | ✓ | ✓ |
| 📐 Size & Portability | ||
| Weight | 27.7 kg | 20.3 kg ✓ |
| Max Payload | 119.8 kg | 120.2 kg ✓ |
| Deck Length | 45.7 cm | 50.8 cm ✓ |
| Deck Width | 22.9 cm ✓ | 17.3 cm |
| Ground Clearance | 11.4 cm ✓ | 6.4 cm |
| Foldable | ✓ | ✓ |
| 🛤️ Ride Comfort | ||
| Wheel Diameter | 14" ✓ | 9.5" |
| Pneumatic Tires | ✓ | ✓ |
| Puncture Resistant | ✗ | ✗ |
| Suspension | Dual | None |
| Adjustable Susp. | ✗ | ✗ |
| Seat | ✓ | ✗ |
| 🛡️ Safety | ||
| Front Brake | Drum | Disc |
| Rear Brake | Drum | Disc |
| Front Lights | ✓ | ✓ |
| Rear Lights | ✓ | ✓ |
| Turn Signals | ✗ | ✗ |
| IP Rating | — | IP54 |
| Kids' Scooter | ||
| 📱 Tech & Smart | ||
| Companion App | ✗ | ✓ |
| Riding Modes | — | — |
| Cruise Control | ✓ | ✓ |
| OTA Updates | ✗ | ✓ |
| NFC Anti-Theft | ✗ | ✗ |
| GPS Tracking | ✗ | ✗ |
| Warranty | — | — |
📝 Our Verdict
The Gotrax Flex Ultra is best for riders prioritizing ride comfort and stability on rough or uneven surfaces thanks to its dual suspension and large wheels, along with extra motor power. The NIU KQi3 Pro is more suitable for commuters needing longer range, lighter weight for portability, weather resistance, and stronger disc braking performance.





