Introduction
This user manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your ENGWE M20 Electric Bike. Please read this manual thoroughly before your first ride and keep it for future reference. Understanding the features and proper handling procedures will ensure a safe and enjoyable riding experience.

Figure 1: The ENGWE M20 Electric Bike, showcasing its robust frame and fat tires.
Safety Information
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Adhere to all local traffic laws and regulations. Perform a pre-ride inspection before each use, checking brakes, tires, and battery level.
- Helmet Use: Always wear a certified helmet.
- Pre-Ride Check: Inspect tires, brakes, lights, and battery charge before every ride.
- Weather Conditions: Exercise caution when riding in wet or slippery conditions.
- Weight Limit: Do not exceed the maximum weight recommendation of 264 pounds (120 kg).
- Age Recommendation: This electric bike is designed for adults.
Product Overview and Features
The ENGWE M20 is a powerful electric bike designed for various terrains, offering a blend of performance and comfort. Key features include:
- Powerful Motor: Equipped with a 48V/750W brushless motor, peaking at 1000W with 55N.m torque, capable of reaching speeds up to 28 mph.
- Extended Range: Dual battery version offers a maximum range of up to 94 miles (47 miles per battery in assist mode).
- All-Terrain Capability: Features 20x4.0 inch fat tires and full suspension (front hydraulic and rear air shocks) for smooth rides on diverse surfaces.
- Intelligent LCD Display: Provides real-time data including power, speed, and mileage.
- 7-Speed Gears: Shimano 7-speed derailleur for flexible riding conditions.
- Enhanced Safety: Dual LED headlights, rear brake lights, and front/rear disc mechanical brakes.
- Lightweight Frame: Constructed from lightweight aluminum alloy.

Figure 2: Illustration of the powerful 1000W peak hub motor, designed for swift acceleration and hill climbing.

Figure 3: Visual representation of the dual battery system, providing an extended range for longer rides.

Figure 4: Diagram highlighting the dual shock systems, including front hydraulic and rear air shocks, for a comfortable riding experience.

Figure 5: The ENGWE M20 electric bike shown navigating different environments, demonstrating its versatility across various terrains.

Figure 6: A summary of the ENGWE M20's key features, including 1000W peak power, 28 MPH max speed, dual suspensions, 94 miles max range, 20x4.0 inch tires, and 48V 26Ah dual batteries.
Setup
Assembly
The ENGWE M20 comes 90% pre-assembled. Follow these steps for final assembly:
- Carefully remove the bike from its packaging.
- Attach the front wheel, ensuring the quick-release skewer is properly secured.
- Install the handlebars, adjusting them to a comfortable riding position.
- Attach the pedals, noting that the left and right pedals are distinct (usually marked L and R).
- Adjust the seat height for optimal comfort and pedaling efficiency.
- Perform a thorough check of all bolts and connections to ensure they are tightened securely.
Initial Battery Charge
Before your first ride, fully charge the battery. Connect the charger to the bike's charging port and then to a power outlet. The indicator light on the charger will change when charging is complete.
Operating Instructions
Powering On/Off
Press and hold the power button on the intelligent LCD display to turn the bike on or off.
Riding Modes
The ENGWE M20 offers multiple riding modes:
- Pedal Assist Mode (PAS): The motor provides assistance as you pedal. Adjust the assist level using the controls on the handlebar.
- Pure Electric Mode: Use the throttle to propel the bike without pedaling.
- Manual Mode: Ride the bike like a traditional bicycle without motor assistance.
LCD Display Functions
The intelligent LCD display shows real-time information:
- Current Speed
- Battery Level
- Mileage (Odometer/Trip)
- Pedal Assist Level
- Headlight Status

Figure 7: Close-up of the intelligent LCD display, providing clear real-time riding data.
Gear Shifting
The bike is equipped with a Shimano 7-speed derailleur. Use the twist grip shifter on the handlebar to change gears according to terrain and desired speed.

Figure 8: The Shimano 7-speed gear shifter, allowing for smooth and accurate gear changes.
Maintenance
Regular maintenance ensures the longevity and safe operation of your ENGWE M20 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 20x4.0 inch fat tires require specific pressure.
- Brakes: Regularly inspect brake pads for wear and ensure proper brake lever tension. The dual disc mechanical brakes should provide smooth stopping power.
- Cleaning: Clean the bike with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Lubrication: Lubricate the chain and other moving parts periodically.
- Fasteners: Periodically check and tighten all bolts and nuts, especially after the first few rides.
Taillight Replacement Guide
This video demonstrates the process of replacing the taillight on your ENGWE M20 Electric Bike.
Video 1: Instructions on how to replace the taillight of the ENGWE M20 electric bike. This video guides you through loosening screws, disconnecting the old taillight cable, installing the new taillight, reconnecting the cable, and testing the new light.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on. | Battery not charged or not properly connected. | Ensure battery is fully charged and securely seated. Check all electrical connections. |
| Motor not assisting. | Pedal assist level too low, throttle not engaged, or sensor issue. | Increase pedal assist level. Ensure throttle is fully engaged. Check for any loose sensor cables. |
| Brakes feel weak. | Worn brake pads or loose brake cable. | Inspect brake pads and replace if worn. Adjust brake cable tension. Consult a professional if unsure. |
| Unusual noises during riding. | Loose components, dry chain, or tire rubbing. | Check all fasteners. Lubricate the chain. Inspect tires for rubbing against the frame or fenders. |
Specifications
Detailed technical specifications for the ENGWE M20 Electric Bike:
| Specification | Detail |
|---|---|
| Bike Type | Electric Bike |
| Model Name | ENGWE M20 |
| Motor | 48V/750W Brushless (1000W Peak) |
| Max Speed | 28 mph |
| Torque | 55N.m |
| Battery | 48V 26Ah (Dual Battery version) |
| Max Range | Up to 94 miles (assist mode) |
| Wheel Size | 20 Inches (4.0" Fat Tires) |
| Frame Material | Aluminum Alloy |
| Suspension Type | Dual (Front Hydraulic, Rear Air Shocks) |
| Number of Speeds | 7 |
| Brake Style | Disc (Front & Rear Mechanical) |
| Item Weight | 41.5 Kilograms (approx. 91.5 lbs) |
| Maximum Weight Recommendation | 264 Pounds (120 kg) |
| Included Components | Kickstand, Mudguard, Tool Kit |
| Certifications | UL 2849 Certified/GCC/GCC-CPSC-16CFR1512 |

Figure 9: Dimension reference for the ENGWE M20 electric bike, including height, length, and recommended rider height range.
Warranty and Support
The ENGWE M20 Electric Bike comes with a comprehensive warranty and dedicated customer support.
- Warranty: A one-year warranty is provided on motors, batteries, and controllers. The manufacturer warranty is 2 years.
- Customer Support: For any assistance, questions, or concerns, please contact the professional customer support team via email. Refer to your purchase documentation for specific contact details.
- Online Resources: Visit the official ENGWE store for additional information and resources: ENGWE Store.





