1. Introduction
The WINDHORSE W3 is a compact, foldable electric bicycle designed for urban commuting and recreational activities. It features a powerful motor, dual suspension for comfort, and a convenient basket for your essentials. This manual provides essential information for safe operation, assembly, maintenance, and troubleshooting.
2. Safety Guidelines
Important Safety Information
- Always wear a helmet and appropriate safety gear when riding.
- Ensure all components are securely fastened before each ride.
- Do not ride in heavy rain or through deep puddles to prevent damage to electrical components.
- Adhere to local traffic laws and regulations.
- Avoid riding under the influence of alcohol or drugs.
- Do not attempt to modify the e-bike's electrical system or motor.
- Maximum weight recommendation: 330 Pounds.
3. Package Contents
What's Included in Your Box
Your WINDHORSE W3 Electric Bike package includes the following components:
- WINDHORSE W3 Electric Bike (main unit)
- Adapter (x1)
- AC Line (x1)
- Tools (x1)
- Pedals (x2)
- User Manual (x1)
- Reflector (x1)

This image displays all items included in the WINDHORSE W3 Electric Bike package, neatly laid out next to the bike and its packaging box.
4. Setup and Assembly
Getting Started: Assembly Instructions
- Unpacking: Carefully remove all components from the box. Remove all protective packaging materials, zip ties, and tape.
- Handlebar Setup: Lift the handlebar stem to its upright position. Secure the quick-release clamp firmly. Adjust the angle of the handlebars to your preference and tighten the clamp.

This image shows a person adjusting the handlebar of the e-bike, highlighting its adjustable nature for user comfort.
- Seat Installation: Insert the seat post into the frame. Adjust the seat height to your comfort level. Ensure the seat tube bundle is locked and the depth is at or above the safety line.
- Pedal Installation: Identify the left (L) and right (R) pedals. The installation method differs for each side. Use the provided wrench to screw the right pedal clockwise and the left pedal counter-clockwise into their respective crank arms.
- Reflector Installation: Attach the front handlebar reflector using the provided screwdriver. Position it for optimal visibility.
Official Assembly Video
This video provides an overview of the Windhorse W3 Commuting Electric Bike, showcasing its features and ease of use.
5. Operating Instructions
Riding Your Electric Bike
Powering On
Insert the key into the ignition located on the handlebar. Turn the key one position to power on the bike. The battery level indicator will light up. Turn the key a second position to activate the headlight.
Throttle Operation
The WINDHORSE W3 features a full twist throttle on the right handlebar. Gently twist the throttle to engage the motor and accelerate.
Pedal Assist Modes
The e-bike offers pedal-assist functionality. As you pedal, the motor will provide assistance, making your ride easier, especially on inclines.
Braking
The bike is equipped with dual disc brakes on both the front and rear wheels for reliable stopping power. Squeeze the brake levers on the handlebars to slow down or stop.
Folding the Bike
To fold the bike for storage or transport, unlock the quick-release mechanism on the handlebar stem and fold it down. The pedals can also be folded by pushing them inwards.

This image illustrates how the e-bike can be folded for compact storage and easy transportation.
6. Maintenance
Care and Maintenance
- Battery Charging: Fully charge the battery before initial use and after each ride. The charger light will turn green when fully charged. Avoid overcharging (do not exceed 24 hours).
- Cleaning: Regularly wipe down the bike with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
- Tire Pressure: Maintain recommended tire pressure for optimal performance and safety.
- Brake Inspection: Periodically check brake pads and cables for wear and proper function.
- General Inspection: Regularly inspect all bolts, nuts, and moving parts for tightness and wear.
7. Troubleshooting
Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike not powering on | Low battery; Key not fully turned | Charge battery; Ensure key is fully turned to ON position |
| Motor not assisting | Battery low; Throttle/pedal assist not engaged | Charge battery; Ensure throttle is twisted or pedals are engaged |
| Brakes feel weak | Worn brake pads; Loose brake cables | Inspect/replace brake pads; Adjust brake cable tension |
| Unusual noises | Loose components; Chain issues | Inspect all bolts/nuts; Lubricate chain |
8. Specifications
Technical Specifications
| Feature | Specification |
|---|---|
| Brand | WINDHORSE |
| Model Name | W3 |
| Bike Type | Folding Bike, Electric Bike |
| Motor | 715W Peak Brushless Motor (500W continuous) |
| Max Speed | 22 MPH |
| Max Range | 20-35 Miles (20 miles pure electric) |
| Battery | 36V-288Wh Li-ion |
| Charging Time | 4-5 hours |
| Wheel Size | 14 Inches |
| Frame Material | Carbon Alloy |
| Suspension Type | Dual (Front & Rear) |
| Brake Style | Disc |
| Max Load Capacity | 330 Pounds |
| Item Weight | 50.7 Pounds |
9. Warranty & Support
The WINDHORSE W3 Electric Bike comes with a 1-Year Limited Warranty covering manufacturing defects. For warranty claims, technical assistance, or any product-related inquiries, please contact WINDHORSE customer support.
Visit the official WINDHORSE Store on Amazon for more information and support: WINDHORSE Store
You can also refer to the official User Manual (PDF) for detailed instructions: User Manual PDF

