BAFANG G0900 48V 750W Rear Hub Motor Ebike Conversion Kit

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your BAFANG G0900 48V 750W Rear Hub Motor Ebike Conversion Kit. This kit is designed to transform a standard bicycle into an electric bicycle, offering enhanced power and efficiency for various riding conditions. Please read this manual thoroughly before installation and use to ensure safe and optimal performance.

2. Product Overview

The BAFANG G0900 48V 750W Rear Hub Motor Ebike Conversion Kit features a powerful brushless geared hub motor with a maximum torque of 80N.m, capable of reaching speeds up to 45KM/H. It supports V-brakes or disc brake systems and is compatible with 135-142mm rear dropouts and 1.5"-2.25" tire sizes. The motor operates quietly (less than 55dB) and has an IPX5 waterproof rating.

Key Features:

• Motor Type: G0900 48V 750W Brushless Geared Rear Hub Motor
• Max Torque: 80N.m
• Max Speed: 45KM/H (for 26" wheel)
• Waterproof Rating: IPX5
• Noise Level: < 55dB
• Compatibility: 135-142mm rear dropout, 1.5"-2.25" tire size, V-brake or Disc Brake systems

Image: Overview of the BAFANG 48V 750W brushless geared rear hub motor, highlighting its power, torque, speed, and quiet operation. It also shows three riding modes: Pedal Assisted, Pure Electric, and Walking Assisted.

3. Compatibility

Ensure your bicycle frame and components are compatible with the BAFANG G0900 kit. This kit is designed for bicycles with a rear dropout size between 135-142mm and supports both V-brake and disc brake systems. It is suitable for various bike types including mountain bikes, city bikes, cruiser bikes, road bikes, cargo bikes, and recumbent bikes.

Dropout and Brake Compatibility:

Image: Diagram illustrating the required 135-142mm rear dropout for the hub motor and compatibility with both V-brakes and mechanical disc brakes. It also shows the gear shift compatibility for cassettes below 10 speeds.

Wheel Size Selection:

This specific kit variant is for a 26-inch wheel. Verify your bike's tire size before installation.

Image: Visual guide on how to determine the correct wheel size (26", 27.5", 28"/29"/700C) by checking the tire label and rim diameter. This kit is for 26" wheels.

4. Packing List

The BAFANG G0900 48V 750W Rear Hub Motor Ebike Conversion Kit includes the following components:

• BAFANG 48V750W 26" Rear Hub Motor (pre-laced into wheel)
• SW2-M58 Display
• Headlight
• Controller
• 1T4 Cable
• Left PAS Sensor
• Thumb Throttle
• Brake Lever (or Brake Sensor, depending on kit configuration)
• Controller Box
• Plastic Straps
• Sticker

Note: Battery and rear cassette are NOT included and must be purchased separately.

Image: Visual representation of the components included in the BAFANG G0900 ebike conversion kit, such as the hub motor wheel, display, controller box, controller, PAS sensor, throttle, 1T4 cable, headlight, and brake levers.

5. Setup & Installation

Transforming your bike into an e-bike is designed to be straightforward. The kit features an integrated hub motor within an aluminum double-walled rim. Follow the wiring diagram and instructions carefully for proper assembly.

Installation Diagram:

Image: A detailed wiring diagram showing how to connect the various components of the ebike conversion kit, including the hub motor, controller, display, PAS sensor, throttle, brake levers, 1T4 cable, and headlight.

Installation Video Guides:

6. Operating Instructions

The SW2-M58 digital display provides real-time information and control over your ebike's functions. It shows battery level, speed, mileage, mode selection, and error diagnostics.

SW2-M58 Display Functions:

• Power Indicator
• Speed Display (MPH/KMH)
• Mileage Indicator (Trip/ODO)
• Battery Indicator
• PAS Level Selection (0-9)
• Error Diagnostics
• Headlight Power On/Off
• Brake Indicator

Image: Close-up of the SW2-M58 3.8" LCD screen, displaying battery level, speed, PAS level, trip distance, and other indicators. It also shows the holder size and default password.

Cycling Modes:

• Electric Throttle Mode: Provides power directly via the thumb throttle for effortless gliding.
• Pedal-Assist Mode (PAS): Offers motor assistance while pedaling, with adjustable levels (0-9) to customize the boost.
• Traditional Biking: Ride without power assistance, like a standard bicycle.

7. Specifications

8. Maintenance

Regular maintenance is crucial for the longevity and safe operation of your ebike conversion kit. Keep all electrical connections clean and dry. Periodically check all bolts and fasteners for tightness. Ensure the motor and display are free from dirt and debris. Refer to your bicycle's original manual for general bike maintenance.

• Cleaning: Use a damp cloth to clean the motor, display, and other components. Avoid high-pressure washing directly on electrical parts.
• Battery Care: If using a separate battery, follow the manufacturer's instructions for charging, storage, and maintenance.
• Cable Inspection: Regularly inspect all cables for any signs of wear, fraying, or damage. Replace damaged cables immediately.
• Brake Check: Ensure brake levers and brake sensors (if applicable) are functioning correctly to cut off motor power when engaged.

9. Troubleshooting

If you encounter any issues with your ebike kit, refer to the display for error codes. Common issues and their potential solutions are listed below:

• No Power: Check battery connection, ensure the battery is charged, and verify all cable connections are secure.
• Motor Not Assisting: Check PAS sensor alignment and connection. Ensure the display is set to an assist level greater than 0.
• Display Not Turning On: Verify power cable connection to the battery and controller.
• Intermittent Power: Inspect all connections for looseness or corrosion.

For persistent issues, please contact customer support.

10. Warranty and Support

The BAFANG G0900 Ebike Conversion Kit comes with a warranty that includes 30 days for returns, 365 days for repair or replacement, and lifetime technical guidance service. For any technical assistance or warranty claims, please contact Greenergia, the seller, directly.

Seller: Greenergia

Warranty Details: 30 days return, 365 days repair or replace, lifetime tech guidance service.