BAFANG M315 MM G340.750.C

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BAFANG 750W Mid Drive Kit User Manual

Model: M315 MM G340.750.C

Brand: BAFANG

1. Introduction

This manual provides essential information for the installation, operation, maintenance, and troubleshooting of your BAFANG 750W Mid Drive Ebike Conversion Kit. Please read this manual thoroughly before attempting installation or operation to ensure safe and efficient use of the product.

The BAFANG 750W Mid Drive Kit (BBS02B 48V750W) is designed to convert standard bicycles into electric bikes, offering enhanced power and versatility for various riding conditions.

2. Product Features

Powerful Ebike Motor: The BAFANG 750W motor delivers a maximum torque of 120 N.m, providing robust assistance for climbing and steep grades. It enables a top speed of up to 45 KM/H (28 mph).
Compatibility: Compatible with 68-73mm (length) and 33.5-36mm (internal diameter) JIS standard bottom brackets. Suitable for various bike types including MTB, city, and commuter bikes. Not recommended for bikes with coaster brakes or belt drives.
Easy Installation: Designed for straightforward conversion of your bicycle into an electric bike. Numerous online video resources are available to assist with the installation process.
Complete Accessories: The kit includes necessary components such as the Bafang 750W Mid Drive Kit, LCD ebike display, Bafang chainring, bottom bracket removal tool, wrench, and headlight. Optional components like different chainrings, displays, brakes, and batteries are available.
Four Riding Modes: Offers versatile riding experiences with Ebike mode (Throttle), Pedal Assist mode, Walk Assist mode, and Normal Bike mode.

3. Package Contents

The BAFANG 750W Mid Drive Kit typically includes the following components:

BAFANG 750W Mid Drive Motor (BBS02B)
LCD Display (various models available, e.g., SW2-M58, DZ40, DM03, 500C, EKD01, P860ML, C18-B, 800S)
Chainring (e.g., 42T, with optional sizes 36T, 44T, 46T, 52T)
Crank Arms
Speed Sensor
Thumb Throttle
Brake Levers (or Brake Sensors, if requested)
Installation Screws and Nuts
Cable Ties
BBS Wrench
Centre Shaft Removal Tool
Headlight (Gift)
Installation Manual
Optional Battery (various types like Downtube Shark Battery, Rear Rack Battery, Max Shark Battery)

BAFANG 750W Mid Drive Kit components including motor, display, battery, and accessories. — Figure 3.1: Overview of the BAFANG 750W Mid Drive Kit components.

Diagram showing the wiring connections for the BAFANG mid-drive kit components. — Figure 3.2: Wiring diagram for the BAFANG mid-drive kit, illustrating connections between motor, battery, and other accessories.

4. Compatibility and Pre-Installation Check

Before installation, ensure your bicycle frame is compatible with the BAFANG mid-drive kit. The kit is designed for bicycles with a bottom bracket length of 68-73mm and an internal diameter of 33.5-36mm (JIS standard).

Measure your bike's bottom bracket inner diameter (should be between 33.5-36mm).
Measure your bike's bottom bracket length (should be between 68-73mm).
Ensure the chosen chainring size will not interfere with your bike's chain stay.
The kit is not recommended for bikes equipped with coaster brakes or belt drives.

Diagram illustrating how to check bike compatibility for the BAFANG mid-drive kit, showing bottom bracket dimensions and incompatible bike types. — Figure 4.1: Compatibility check for the BAFANG mid-drive motor, including bottom bracket measurements and examples of incompatible bike setups (belt drive, coaster brake).

Visual guide on how to check if the BAFANG motor fits the bike, including using a test tool for bottom bracket dimensions. — Figure 4.2: Detailed steps for checking motor compatibility with your bike's bottom bracket using a measurement tool.

Guide for checking downtube shark battery compatibility with a bike frame using a cutout template. — Figure 4.3: Instructions for verifying if a downtube shark battery will fit your bike frame using a provided size guide template.

Guide for checking rear rack battery compatibility with a bike, focusing on screw holes and rear fork width. — Figure 4.4: Steps to determine if a rear rack battery is suitable for your bike, checking for installation screw holes and rear fork dimensions.

Images showing conditions where the BAFANG BBS motor is not suitable, such as specific bottom bracket clearances, belt drives, and coaster brakes. — Figure 4.5: Visual examples of bike configurations that are not compatible with the BAFANG BBS motor.

5. Installation Guide

While this manual provides general guidance, detailed installation instructions are best supplemented by visual aids. Many helpful video tutorials are available online (e.g., YouTube) demonstrating the installation process for the BAFANG mid-drive kit.

5.1. General Steps (Refer to detailed video guides for specifics):

Remove existing crankset and bottom bracket.
Install the BAFANG mid-drive motor into the bottom bracket shell.
Secure the motor with the provided lock nuts and tools.
Install the chainring and crank arms.
Mount the display, throttle, and brake levers/sensors on the handlebars.
Install the speed sensor on the rear wheel.
Connect all wiring harnesses to the motor and components. Ensure waterproof connections are properly sealed.
Mount the battery securely to the bike frame (if purchased separately).
Perform initial function tests before riding.

Image showing the BAFANG mid-drive motor installed on a bicycle, highlighting its seamless integration. — Figure 5.1: BAFANG mid-drive motor seamlessly integrated into a bicycle frame.

A person riding an e-bike with the BAFANG mid-drive kit on a paved road, demonstrating its use. — Figure 5.2: E-bike in use, showcasing the installed BAFANG mid-drive kit.

Diagram illustrating the waterproof wiring design of the BAFANG ebike kit, showing sealed connectors. — Figure 5.3: IP65 waterproof wiring design ensures durability and safety.

6. Operating Instructions

6.1. Display Functions

The LCD display provides crucial information and allows control over the ebike system. Features may vary slightly depending on the specific display model (e.g., EKD01, DPC010.CB, DPC080.C, VD03, VD618, P860ML).

Real-time Speed: Displays current riding speed.
Battery Power: Shows remaining battery charge.
PAS Level: Indicates the current pedal assist level (e.g., 0-9 levels).
Trip Distance: Records distance for current ride.
Total Mileage: Accumulates total distance traveled.
Ride Time: Tracks duration of current ride.
Error Code: Displays diagnostic codes if an issue occurs.
Headlight Indicator: Shows if the headlight is on.
Brake Indicator: Indicates when brakes are applied.
USB Charging Port: Some models (e.g., EKD01) include a USB port for charging external devices.
Automatic Light Sensor: Some models activate headlights automatically in dark environments.

Close-up of the BAFANG LCD display showing various metrics like speed, battery level, and ride data. — Figure 6.1: BAFANG LCD Display showing key riding information.

Comparison table of various BAFANG ebike display models with their features like screen size, PAS levels, and USB charging. — Figure 6.2: Comparison of various high-tech BAFANG ebike display options.

6.2. Riding Modes

The BAFANG kit supports four primary riding modes:

Ebike Mode (Throttle): Provides power directly from the motor via the thumb throttle, without requiring pedaling.
Pedal Assist Mode (PAS): The motor provides assistance based on your pedaling effort. You can adjust the level of assistance (PAS level) on the display.
Walk Assist Mode: Provides low-speed motor assistance to help you push the bike when walking.
Normal Bike Mode: The motor is disengaged, and the bike functions as a regular bicycle, relying solely on pedal power.

Images depicting different riding modes and terrains suitable for the BAFANG mid-drive kit. — Figure 6.3: Different riding modes for various terrains.

Video 6.1: Learn more about the BAFANG BBS motor and its operation. This video demonstrates the motor's integration, display functions, and versatility across different riding environments.

7. Battery Information

The BAFANG kit is compatible with various battery types, offering different capacities and mounting options. Ensure your chosen battery is compatible with the 48V system and provides sufficient power for your riding needs.

Table detailing various battery specifications including voltage, capacity, weight, and cycle life. — Figure 7.1: Battery specification chart for various compatible ebike batteries.

Comparison of various durable ebike battery types, showing their form factors, capacities, and features. — Figure 7.2: Overview of various durable ebike battery options.

7.1. Battery Charging

Charging time for most batteries is typically 6-7 hours. Always use the charger provided with your battery or a compatible charger recommended by BAFANG or Greenergia. Ensure the charging environment is safe and well-ventilated.

Comparison of battery features, highlighting fast charging, USB charging port, reinforced structure, and premium cells. — Figure 7.3: Key features of BAFANG compatible batteries, including charging capabilities and safety aspects.

8. Maintenance

Regular maintenance ensures the longevity and optimal performance of your BAFANG Mid Drive Kit.

Cleaning: Keep the motor, battery, and electrical connections clean. Use a damp cloth; avoid high-pressure washing directly on electrical components.
Lubrication: Regularly lubricate the chain and other moving parts of your bicycle.
Cable Inspection: Periodically check all cables and connectors for wear, damage, or loose connections. Ensure waterproof connections are secure.
Battery Care: Store the battery in a cool, dry place. Avoid fully discharging the battery for extended periods. Charge it regularly, even when not in use.
Professional Check-ups: Consider professional inspection and maintenance at least once a year, especially if you ride frequently or in challenging conditions.

Image of a technician performing maintenance on a bicycle, specifically around the bottom bracket area. — Figure 8.1: Regular maintenance by a qualified technician is recommended.

Image showing a person riding a bike in the rain with an umbrella, indicating that the ebike kit should not be used in heavy rain. — Figure 8.2: Avoid using the ebike kit in heavy rain to prevent damage, despite waterproof wiring.

9. Troubleshooting

This section provides basic troubleshooting steps for common issues. For complex problems, contact customer support.

Problem	Possible Cause	Solution
Motor not providing assistance	Battery low/dead, loose connections, display error, brake sensor engaged.	Check battery charge, ensure all cables are securely connected, check display for error codes, ensure brake levers are not stuck.
Display not turning on	Loose power cable, battery issue, damaged display.	Check main power cable connection, verify battery is charged and connected, try restarting the system.
Inconsistent power delivery	Speed sensor misalignment, loose motor mounting, PAS sensor issue.	Check speed sensor alignment and magnet, ensure motor is securely mounted, inspect PAS sensor.

10. Specifications

Specification	Value
Brand	BAFANG
Model Name	M315 MM G340.750.C (BBS02B)
Motor Type	Mid Drive Brushless Motor
Rated Power	750 Watts
Voltage	48 Volts
Max Torque	120 N.m
Max Speed	45 KM/H (28 mph)
Bottom Bracket Compatibility	68-73mm length, 33.5-36mm internal diameter (JIS standard)
Included Components	Mid Drive Kit, LCD ebike display, chainring, etc.

Comparison table of BAFANG BBS and BBSHD series motors, showing power, voltage, torque, and speed differences. — Figure 10.1: Comparison of BAFANG BBS and BBSHD series motors.

Image highlighting the 750W BAFANG motor with its peak power, max speed, max torque, climbing angle, and waterproof rating. — Figure 10.2: Specifications of the 750W BAFANG Powerful Motor.

11. Warranty and Support

Greenergia is an official agent of BAFANG, ensuring genuine products and reliable support. We maintain stock in various countries for quick order processing and have local technical teams to assist with after-sales issues.

For any missing parts, technical assistance, or warranty claims, please contact our customer service. Our team is committed to providing prompt, responsible, and patient support for a peace-of-mind post-sales experience.

Contact Email: ga_sale_service@163.com

Image of a customer service representative with a headset, indicating support availability. — Figure 11.1: Dedicated customer service for support.

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