1. Safety Information
Read all instructions carefully before assembly and use. Failure to follow safety guidelines may result in serious injury.
- Age Range: Suitable for children aged 3-6 years.
- Maximum Weight: Do not exceed 55 pounds (25 kg).
- Protective Gear: Always wear a helmet, knee pads, and elbow pads when riding.
- Supervision: Adult supervision is required at all times.
- Riding Environment: Ride in safe, open areas away from traffic, steep inclines, and water.
- Pre-Ride Check: Before each ride, ensure all bolts are tight, brakes are functional, and tires are properly inflated.
2. Package Contents
Verify that all components are present before beginning assembly:
- Electric Balance Bike Frame (with rear wheel and motor)
- Front Fork with Wheel
- Handlebars
- Seat Post with Saddle
- Rear Fender
- Battery Charger
- Assembly Tools (Allen wrenches)
- User Manual (this document)
- Kickstand
Image: All components of the GROWNEER Electric Balance Bike laid out for assembly, including the main frame, front wheel, handlebars, seat, and tools.
3. Assembly Instructions
Follow these steps to assemble your GROWNEER Electric Balance Bike. An installation video is provided for visual guidance.
3.1 Front Fork and Handlebar Assembly
- Insert the crown race into the fork stem.
- Mount the front fork into the frame's head tube.
- Add the lock washer and upper cup, then install the handlebars.
- Secure the handlebars using the provided Allen wrench, ensuring they are aligned with the front wheel.
3.2 Fender and Saddle Installation
- Attach the rear fender to the seat tube using the provided hardware.
- Insert the seat post with the saddle into the frame's seat tube.
- Adjust the saddle height to ensure the rider's feet can comfortably touch the ground.
- Check for proper fender clearance and lock the quick release lever to secure the saddle.
3.3 Brake Lever Adjustment
Adjust the angle of the brake lever for comfortable reach by the rider's hand. Tighten the bolt to secure the lever in place.
Video: Installation Reference Video for Electric Balance Bike. This video demonstrates the step-by-step assembly process for the GROWNEER Electric Balance Bike, including front fork, handlebar, fender, and saddle installation.
4. Operating Instructions
Familiarize yourself with the bike's controls and operation for a safe riding experience.
4.1 Powering On/Off
- To power on, press and hold the Power button on the handlebar control panel until the LED display illuminates.
- To power off, press and hold the Power button again until the LED display turns off.
4.2 Speed Settings
The bike features three speed settings, indicated on the LED display:
- Speed 1: Approximately 3.1 mph (5 km/h) - Ideal for beginners.
- Speed 2: Approximately 6.2 mph (10 km/h) - Intermediate speed.
- Speed 3: Approximately 9.3 mph (15 km/h) - Maximum speed for experienced riders.
Press the 'Gear' button on the control panel to cycle through the speed settings.
4.3 Starting and Acceleration
The bike uses a 'slide start' mechanism for safety:
- Kick off the ground to gain initial momentum (similar to a traditional balance bike).
- Once moving, gently twist the throttle on the right handlebar to engage the electric assist.
4.4 Braking
The bike is equipped with a reliable rear brake. Squeeze the brake lever on the left handlebar to slow down or stop. Apply brakes smoothly to avoid sudden stops.

Image: Close-up of the handlebar controls, including the LED display showing speed settings, the power button, and the gear selection button.
5. Charging the Battery
The GROWNEER Electric Balance Bike is powered by a 24V lithium battery, offering a range of up to 7 miles on a single charge.
- Charging Time: Approximately 2.5-3 hours for a full charge.
- Charging Port: Locate the charging port on the bike frame.
- Procedure: Connect the charger to the bike's charging port, then plug the charger into a standard electrical outlet. The indicator light on the charger will show charging status (e.g., red for charging, green for fully charged).
- Battery Care: Do not overcharge the battery. Store the bike in a cool, dry place when not in use. Charge the battery at least once every three months to maintain its health.

Image: The electric balance bike connected to its charger, illustrating the charging process.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your electric balance bike.
- Tire Pressure: Check tire pressure regularly. The 12-inch pneumatic tires require proper inflation for optimal performance and shock absorption. Refer to the tire sidewall for recommended PSI.
- Brake System: Inspect brake cables and levers for wear and proper function. Ensure the brake engages smoothly and effectively.
- Fasteners: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.
- Cleaning: Clean the bike with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
- Storage: Store the bike in a dry, covered area to protect it from weather elements.
7. Troubleshooting
If you encounter issues with your GROWNEER Electric Balance Bike, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on | Battery is low or depleted; Power button not pressed correctly. | Charge the battery fully. Press and hold the Power button firmly. |
| Motor not engaging | Bike not moving fast enough for slide start; Throttle not twisted correctly; Speed setting is 0. | Ensure the bike has initial momentum. Twist the throttle fully. Check LED display for speed setting (must be 1, 2, or 3). |
| Brakes feel loose or ineffective | Brake cable needs adjustment; Brake pads worn. | Adjust the brake cable tension. Inspect brake pads and replace if necessary. |
| Unusual noises during operation | Loose components; Debris in wheel/motor area. | Check all fasteners. Inspect wheels and motor for any obstructions. |
If the problem persists after attempting these solutions, please contact GROWNEER customer support.
8. Specifications
- Model: BB E-PRO
- Bike Type: Electric Balance Bike
- Age Range: Kids (3-6 years)
- Wheel Size: 12 Inches
- Frame Material: Lightweight Magnesium Alloy
- Motor: 120W Brushless Motor (Peak 180W)
- Battery: 24V Lithium Battery
- Speed Settings: 3 (3.1 mph, 6.2 mph, 9.3 mph)
- Max Range: Up to 7 miles (11.2 km)
- Charging Time: 2.5-3 hours
- Weight Limit: 55 Pounds (25 kg)
- Special Features: LCD Display, Light-up Front Tire, Adjustable Seat, Kickstand
- Brake Style: Drum Brake

Image: Detailed diagram illustrating the dimensions and specifications of the electric balance bike.
9. Warranty and Support
The GROWNEER Electric Balance Bike comes with a 2-Year Manufacturer Warranty. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact GROWNEER customer service through the retailer where the product was purchased or visit the official GROWNEER website for contact information.





