Gotrax Flex Ultra vs Segway Ninebot ES4
Side-by-side comparison · Specs, scores & AI verdict
VS
Too close to call — scores within 5 points
Why choose one over the other?
Reasons to choose Gotrax Flex Ultra
- •Top speed of 32.2 km/h vs 30 km/h on the ES4
- •480 Wh battery capacity vs 374 Wh on the ES4
- •14-inch wheels vs 8-inch wheels on the ES4
- •Dual drum brakes front and rear vs only a rear disc brake and no front brake on the ES4
Reasons to choose Segway Ninebot ES4
- •800W peak power vs 750W on the Flex Ultra
- •45.1 km range vs 40.2 km on the Flex Ultra
- •14 kg weight vs 27.7 kg on the Flex Ultra
- •IP54 water and dust resistance vs no IP rating on the Flex Ultra
| Spec | Gotrax Flex Ultra | Segway Ninebot ES4 |
|---|---|---|
| ⚡ Drivetrain | ||
| Peak Power | 750 W | 800 W ✓ |
| Continuous Power | 500 W ✓ | 300 W |
| Max Torque | — | — |
| Top Speed | 32.2 km/h ✓ | 30 km/h |
| Max Incline | 20 ° | — |
| Drive Config | Rear | Front |
| Dual Motors | ✗ | ✗ |
| 🔋 Battery & Range | ||
| Battery Capacity | 480 Wh ✓ | 374 Wh |
| Amp Hours | 10 Ah | 10.4 Ah ✓ |
| Charge Time | — | — |
| Claimed Range | 40.2 km | 45.1 km ✓ |
| Cell Chemistry | Lithium-ion | Lithium-ion |
| Removable Battery | ✗ | ✗ |
| Regen Braking | ✓ | ✓ |
| 📐 Size & Portability | ||
| Weight | 27.7 kg | 14 kg ✓ |
| Max Payload | 119.8 kg ✓ | 99.8 kg |
| Deck Length | 45.7 cm ✓ | 43.2 cm |
| Deck Width | 22.9 cm ✓ | 15.2 cm |
| Ground Clearance | 11.4 cm ✓ | 9.1 cm |
| Foldable | ✓ | ✗ |
| 🛤️ Ride Comfort | ||
| Wheel Diameter | 14" ✓ | 8" |
| Pneumatic Tires | ✓ | ✗ |
| Puncture Resistant | ✗ | ✗ |
| Suspension | Dual | Dual |
| Adjustable Susp. | ✗ | ✗ |
| Seat | ✓ | ✗ |
| 🛡️ Safety | ||
| Front Brake | Drum | None |
| Rear Brake | Drum | Disc |
| Front Lights | ✓ | ✓ |
| Rear Lights | ✓ | ✓ |
| Turn Signals | ✗ | ✗ |
| IP Rating | — | IP54 |
| Kids' Scooter | ||
| 📱 Tech & Smart | ||
| Companion App | ✗ | ✗ |
| Riding Modes | — | 0 |
| Cruise Control | ✓ | ✗ |
| OTA Updates | ✗ | ✗ |
| NFC Anti-Theft | ✗ | ✗ |
| GPS Tracking | ✗ | ✗ |
| Warranty | — | — |
📝 Our Verdict
The Gotrax Flex Ultra is ideal for riders who prioritize higher top speed, larger battery capacity, bigger wheels and dual braking performance. The Segway Ninebot ES4 suits users seeking higher peak power, longer real‐world range, lightweight portability and official water and dust resistance.
