CMACEWHEEL GW20 Electric Bike User Manual

Safety Warnings

⚠️ Please mind potential fire risk and strictly follow the instruction manual for charging and storage. While using the product, please wear protective equipment and fully comply with the applicable law and regulations.

1. Setup and Assembly

1.1 Unfolding the Bicycle

The CMACEWHEEL GW20 is designed to be foldable for convenient storage and transport. To unfold the bicycle:

1. Carefully unlatch the frame folding mechanism.
2. Extend the frame until it locks securely into place.
3. Adjust the handlebar stem and seat post to your desired riding height. Ensure all quick-release levers are tightened securely.

1.2 Battery Installation and Removal

The electric bike features a fast-detachable large capacity lithium battery. Follow these steps for installation and removal:

1. To Remove:
   a. Open the bicycle seat bottom button.
   b. Lift the bicycle seat.
   c. Open the battery lock with the key.
   d. Pull out the battery from its compartment.
2. To Install:
   a. Ensure the battery lock is open.
   b. Slide the battery into its compartment until it clicks into place.
   c. Lock the battery with the key.
   d. Lower the bicycle seat and secure it.

1.3 Initial 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 show the charging status (usually red for charging, green for full).

2. Operating Instructions

2.1 Controls Overview

Familiarize yourself with the controls located on the handlebars:

• Left Handle: Brake, Headlight switch, Downshift, Upshift, Switch key, Left/right steering tail light, Horn, ON/OFF button, Switch display mode.

• Right Handle: Right brake handle, Mechanical transmission (gear shifter), Throttle acceleration.

2.2 Intelligent LCD Display

The intelligent LCD display provides all essential riding data clearly visible during operation.

• 1. Headlight: Indicates headlight status.
• 2. Booster to walk: Activates walk-assist mode.
• 3. Gear display: Shows the current pedal-assist level or gear.
• 4. Fault display: Indicates system errors.
• 5. Power display: Shows current battery level.
• 6. Speed mode: Displays current speed.
• 7. Mileage mode: Shows trip distance or total odometer.

2.3 Riding Modes

The GW20 electric bike typically offers multiple riding modes:

• Pedal-Assist Mode: The motor provides assistance as you pedal. Use the 'Upshift' and 'Downshift' buttons to adjust the assist level.
• Throttle Mode: Use the 'Throttle acceleration' on the right handle to engage the motor without pedaling.
• Manual Mode: Ride the bike like a traditional bicycle without motor assistance.

2.4 Headlights and Taillights

The bike is equipped with headlights and taillights for visibility and safety.

• Lights turn on while braking.
• Pressing the left and right indicator buttons will cause the tail lights to flash, signaling turns to vehicles and pedestrians behind you.

2.5 Product Demonstration Video

Watch this video for a visual guide on the CMACEWHEEL GW20 electric bike's features and operation:

3. Maintenance

3.1 General Care

• Regularly clean your bike with a damp cloth. Avoid high-pressure washing directly on electrical components.
• Inspect tires for proper inflation and wear. The tire size is 20x4.0 inches, equipped with high-quality non-slip tires.
• Check brakes for proper function and adjust as needed.
• Lubricate the chain periodically to ensure smooth operation.
• Ensure all bolts and fasteners are tightened before each ride.

3.2 Battery Care

• Always use the original charger provided with your bike.
• Do not overcharge or completely drain the battery.
• Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
• If storing for an extended period, charge the battery to about 50-70% and recharge every 1-2 months.

4. Troubleshooting

4.1 Common Issues

• Bike not turning on: Check if the battery is properly installed and charged. Ensure the ON/OFF button on the left handle is pressed.
• Motor not assisting: Verify that pedal-assist mode is engaged and the assist level is not set to zero. Check for any error codes on the LCD display (Fault display).
• Reduced range: This could be due to low tire pressure, riding in high-assist modes frequently, riding against strong winds, or an aging battery. Ensure proper tire inflation and consider riding in lower assist modes.
• Brakes not effective: Inspect brake pads for wear and adjust brake cables if necessary.

4.2 Error Codes

If the 'Fault display' (4) on the LCD shows an error code, consult the full service manual (if available) or contact customer support with the specific code for assistance.

5. Specifications

6. User Tips

• Battery Life: The actual range per charge can vary based on terrain, rider weight, assist level used, and weather conditions. For optimal battery life, avoid frequent full discharges and charges.
• Second Battery: While the bike comes with one high-capacity battery, some users may consider purchasing a second battery for extended range on longer trips. Check with the manufacturer or seller for compatible options.
• Bike Color: The standard color for this model is black.
• Motor Count: This electric bicycle is equipped with a single motor, typically located in the rear wheel hub.
• Adjusting for Rider Height: The adjustable seat post and handlebar stem allow riders of various heights to comfortably operate the bike. For reference, models shown in promotional materials are 173cm (male) and 167cm (female) tall.

7. Warranty and Support

For warranty information, please refer to the documentation provided at the time of purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.

For technical support or inquiries not covered in this manual, please reach out to the CMACEWHEEL customer service or your authorized dealer.