Introduction
This manual provides essential information for the safe operation, maintenance, and troubleshooting of your Segway-Ninebot KickScooter D38D. Please read it thoroughly before your first ride to ensure optimal performance and safety.

Figure 1: Segway-Ninebot KickScooter D38D. This image shows the overall design of the scooter, featuring its red and black color scheme, handlebars, wheels, and kickstand.
1. Setup and Assembly
Your KickScooter D38D comes partially assembled. Follow these steps to complete the setup.
- Unfolding the Scooter: Carefully lift the stem until it locks into place. Ensure the folding mechanism is securely latched.
- Attaching the Handlebar: Connect the handlebar to the stem. Ensure all cables are properly routed and not pinched. Secure the handlebar using the provided screws and tools.
- Initial Charge: Before first use, fully charge the battery. Connect the charger to the charging port on the scooter and then to a power outlet. The charging indicator on the charger will change when fully charged (approximately 6.5 hours).
- Tire Pressure Check: Verify that the pneumatic tires are inflated to the recommended pressure for optimal performance and safety. The D38D features 10-inch pneumatic tires.

Figure 2: The KickScooter D38D folded for transport. The scooter features a 2-level folding mechanism for easy storage and portability, as shown here in a car trunk.
2. Operating Instructions
2.1 Power On/Off and Display
Press the power button on the LED color display to turn the scooter on or off. The display shows speed, battery level, and riding mode.

Figure 3: Handlebar and LED display of the KickScooter D38D. The integrated LED display provides real-time information such as speed, battery status, and selected riding mode.
2.2 Riding Modes
The D38D offers four distinct riding modes, selectable via the power button:
- Economy Mode (ECO): Max speed up to 15 km/h. Extends battery life and range.
- Standard Mode (D): Balanced combination of speed and range.
- Sport Mode (S): Provides maximum power and acceleration, reaching speeds up to 20 km/h.
- Pedestrian Mode: Limits speed to 5 km/h, suitable for pushing the scooter alongside you.
2.3 Braking System
The KickScooter D38D is equipped with a dual braking system for enhanced safety:
- Front Wheel: Electronic Anti-lock Braking System (E-ABS).
- Rear Wheel: Drum brake.
Both brakes are actuated by a single lever on the handlebar. Always apply brakes smoothly and anticipate stops.

Figure 4: Front wheel assembly of the KickScooter D38D. This view highlights the front fender, integrated light, and the pneumatic tire, which is part of the E-ABS braking system.
3. Maintenance
Regular maintenance ensures the longevity and safe operation of your KickScooter.
- Cleaning: Wipe the scooter with a damp cloth. Do not use high-pressure water or immerse the scooter in water.
- Tire Care: Regularly check tire pressure and for any signs of wear or damage. Maintain proper inflation for optimal ride quality and range.
- Brake Inspection: Periodically check the brake lever for proper function and ensure the brakes respond effectively. Adjust if necessary.
- Battery Care: Store the scooter in a cool, dry place. Charge the battery regularly, even if not in use, to maintain its health. Avoid fully discharging the battery.
- Folding Mechanism: Ensure the folding mechanism operates smoothly and locks securely. Lubricate moving parts if needed.

Figure 5: Detail of the KickScooter D38D's pneumatic tire. Regular inspection of the tire tread and pressure is crucial for safe operation and effective braking, especially in wet conditions.
4. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scooter does not power on | Low battery; loose connections | Charge the battery; check all cable connections. |
| Reduced range or speed | Low tire pressure; heavy load; riding uphill; cold weather | Inflate tires to recommended pressure; reduce load; ride on flatter terrain; battery performance may be reduced in cold temperatures. |
| Brakes feel weak | Brake cable adjustment needed; worn brake pads | Adjust brake cable tension; inspect and replace brake pads if worn. |
| Unusual noises during operation | Loose components; debris in wheels | Inspect all fasteners; check wheels for obstructions. If noise persists, contact support. |
5. Specifications
| Feature | Detail |
|---|---|
| Model | D38D |
| Brand | Segway-Ninebot |
| Motor Power | 350 W |
| Max Speed | 20 km/h |
| Max Range | Up to 38 km |
| Battery Capacity | 367 Wh Lithium-ion |
| Charging Time | Approx. 6.5 hours |
| Max Incline | 20% |
| Max Load Capacity | 120 kg |
| Wheel Size | 10 inches (pneumatic) |
| Braking System | Front E-ABS, Rear Drum Brake |
| Frame Material | Aluminum, Alloy Steel |
| Product Dimensions (Unfolded) | 138 x 62 x 42 cm |
| Product Weight | 16 kg |
| Special Features | Light, Wide platform, Foldable, Anti-slip surface, LED display |
6. Warranty Information
The Segway-Ninebot KickScooter D38D comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms, conditions, and duration. Keep your proof of purchase for warranty claims.
7. Customer Support
For technical assistance, spare parts, or any other inquiries regarding your Segway-Ninebot KickScooter D38D, please contact Segway-Ninebot customer support.
- Online Support: Visit the official Segway-Ninebot website for FAQs and support resources.
- Contact Information: Refer to the contact details provided in your product documentation.







