WINDHORSE W2B
WINDHORSE Electric Bike User Manual
Model: W2B
Brand: WINDHORSE
1. Introduction
This user manual provides essential information for the safe and efficient operation of your WINDHORSE W2B Electric Bike. Please read this manual thoroughly before your first ride and keep it for future reference. The WINDHORSE W2B Electric Bike features a 630W peak motor, offering speeds up to 25 MPH and a range of 19-35 miles on a single charge. It is designed for both commuting and leisure, featuring a foldable design for easy storage and transport, dual braking system, and comfortable seating.
2. Safety Information
Always prioritize safety when operating your electric bike. Failure to follow safety guidelines can result in serious injury or property damage.
- Always wear a helmet and appropriate safety gear.
- Familiarize yourself with local traffic laws and regulations regarding electric bikes.
- Perform a pre-ride inspection before each use, checking brakes, tires, and battery level.
- Do not ride under the influence of alcohol or drugs.
- Avoid riding in adverse weather conditions or on slippery surfaces.
- Ensure all components are securely fastened before riding.
- Do not exceed the maximum load capacity of 265 lbs.
3. Package Contents
Upon opening the package, please verify that all the following items are included:
- WINDHORSE W2B Electric Bike
- Charger
- Charger Cable
- User Manual (this document)
- Tools for assembly
- Pedals (2)

Figure 3.1: Included components in the WINDHORSE W2B package.
4. Setup and Initial Assembly
Your WINDHORSE W2B Electric Bike comes mostly pre-assembled. Follow these steps for final setup:
4.1 Unfolding the Bike
Carefully remove the bike from its packaging. Unfold the main frame and secure the locking mechanism. Ensure the handlebar stem is upright and locked into position.

Figure 4.1: Unfolded and folded dimensions of the bike.
4.2 Handlebar Adjustment
Adjust the handlebar height to a comfortable riding position. Ensure the quick-release lever is securely tightened after adjustment.
Video 4.1: Demonstration of handlebar adjustment and initial setup steps.
4.3 Pedal Installation
Identify the left (L) and right (R) pedals. Thread them into the crank arms by hand first, then tighten securely with the provided tools. Note that the left pedal threads counter-clockwise.
4.4 Seat Adjustment
Adjust the seat height for optimal comfort and pedaling efficiency. Ensure the quick-release lever is firmly closed.

Figure 4.2: The adjustable comfort seat for personalized riding.
4.5 Battery Charging
Before your first ride, fully charge the 288Wh lithium-ion battery. The charging time is approximately 3-4 hours. The battery can be charged while installed on the bike or removed for convenience.

Figure 4.3: Battery charging options and specifications.
5. Operating Instructions
5.1 Powering On/Off
Insert the key into the ignition and turn it to the 'ON' position. The display will illuminate. To turn off, turn the key to the 'OFF' position.
5.2 Riding Modes
The WINDHORSE W2B offers different riding modes:
- Pedal Assist Mode (PAS): Provides electric assistance as you pedal. The level of assistance can be adjusted via the controls on the handlebar. This mode extends your range up to 35 miles.

Figure 5.1: Pedal Assist mode enhances riding comfort.
- Pure Electric Mode: Use the throttle for full electric power without pedaling. This mode provides a range of up to 19 miles.
- Manual Mode: Ride the bike like a traditional bicycle without any electric assistance.
- Pedal Assist Mode (PAS): Provides electric assistance as you pedal. The level of assistance can be adjusted via the controls on the handlebar. This mode extends your range up to 35 miles.
5.3 Braking System
The bike is equipped with front and rear mechanical disc brakes for reliable stopping power. Apply both brakes simultaneously for effective and safe braking.

Figure 5.2: Key features including the dual disc brakes.
5.4 Lighting
The bike features a bright LED headlight and a tail light for improved visibility, especially during night rides. Ensure they are functioning correctly before riding in low-light conditions.

Figure 5.3: The LED headlight provides clear vision.
5.5 Folding for Storage/Transport
To fold the bike, release the frame and handlebar stem locking mechanisms. Carefully fold the bike until it is compact. This design makes it easy to store or transport in a car trunk or on public transport.

Figure 5.4: The bike's foldable design for easy storage.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your electric bike.
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain its health.
- Avoid completely draining the battery.
- Store the battery in a cool, dry place.
- Tire Pressure: Check tire pressure before each ride. Maintain recommended PSI for optimal performance and safety. The 16-inch tires are puncture-resistant.
- Brake Inspection: Regularly check brake pads for wear and ensure brake levers are responsive. Adjust or replace as needed.
- Cleaning: Clean the bike with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
- Fasteners: Periodically check and tighten all bolts and fasteners, especially on the handlebars, seat post, and folding mechanisms.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on | Battery not charged, key not fully turned, loose connection. | Charge battery, ensure key is fully engaged, check all cable connections. |
| Motor not assisting | Low battery, pedal assist level too low, brake lever engaged. | Charge battery, increase pedal assist level, ensure brake levers are fully released. |
| Brakes feel weak | Worn brake pads, loose brake cable. | Inspect and replace brake pads if worn. Adjust brake cable tension. |
| Unusual noises during ride | Loose components, chain issues, motor issue. | Check all fasteners. Lubricate chain. If noise persists, contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | W2B |
| Bike Type | Electric Bike, Folding Bike |
| Motor | 630W Peak Motor |
| Max Speed | Up to 25 MPH |
| Battery | 288Wh Lithium-Ion Battery |
| Range (Pure Electric) | Up to 19 miles |
| Range (Pedal Assist) | Up to 35 miles |
| Charging Time | 3-4 hours |
| Wheel Size | 16 Inches |
| Frame Material | Carbon Steel |
| Brake Style | Dual Mechanical Disc Brakes |
| Suspension Type | Front |
| Bicycle Weight | 52.8 lbs |
| Max Load Capacity | 265 lbs |
| Recommended User Height | 5.25-6.23 FT |

Figure 8.1: Key dimensions and weight specifications.

Figure 8.2: Powerful motor and battery details.
9. Warranty and Support
The WINDHORSE W2B Electric Bike comes with a 12-month limited warranty. This warranty covers manufacturing defects and material flaws under normal use. It does not cover damage caused by misuse, accidents, or unauthorized modifications.
For any after-sales questions, technical support, or warranty claims, please contact WINDHORSE customer service. Our after-sales services are located in the USA to provide prompt assistance.
Please refer to the official WINDHORSE website or your purchase documentation for detailed warranty terms and contact information.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.







