1. پیژندنه
This manual provides detailed instructions for the installation, operation, and maintenance of your BAFANG BBS02B 36V/48V 500W Mid Drive Ebike Motor Conversion Kit. Please read this manual thoroughly before attempting installation or operation to ensure proper function and safety. This kit is designed to convert a standard bicycle into an electric bicycle, offering enhanced power and range.
2. محصول ختم شوview
The BAFANG BBS02B mid-drive motor kit is a comprehensive solution for converting a bicycle into an e-bike. It features a 500W motor with CAN protocol for stable performance and includes essential components for conversion.
2.1 کلیدي ځانګړتیاوې
- د موټرو ډول: Mid-drive motor, 500W, 36V/48V compatible.
- د کنټرول سیسټم: Upgraded CAN protocol for enhanced stability and smoother operation.
- فعالیت: Smooth, controlled starts with throttle-responsive acceleration. Adjustable speed limits for Pedal Assist and Throttle modes.
- مطابقت: Designed for bicycles with a 68-73mm bottom bracket.
- تورک: Maximum torque of 100 N.m.
- موثریت: Greater than 80%.
2.2 د کټ اجزا
The conversion kit typically includes the following items. Refer to the packing list image for visual confirmation.

انځور 2.2.1: Packing list showing all included components such as the mid motor, display, throttle, brake sensors/levers, chainring, cranks, speed sensor, 1T4 wire, nuts, headlight, and tools.
- BAFANG BBS02B Mid-drive Motor (36V/48V 500W)
- LCD Display (optional, various models available)
- Brake Levers or Brake Sensors (for hydraulic brakes)
- د ګوتو تخته
- Chainring Wheel (various tooth counts available)
- کرینک وسلې
- Speed Sensor and Magnets
- 1T4 Wire Harness
- Lock Nuts and Fasteners
- د سر څراغ (اختیاری)
- Crank Removal Tool (optional)
- XT60 Cable (optional)
Note: An optional battery and charger are required for operation and are typically sold separately. Various battery types are compatible, including Hailong, G80 Shark, Yingwu Shark, Rear Rack, and U004 Triangle batteries, with different capacities and cell types.

انځور 2.2.2: اوورview of various optional battery types and their specifications, including Hailong, G80 Shark, Yingwu Shark, Rear Rack, and U004 Triangle batteries.
3. ترتیب او نصب کول
Proper installation is crucial for the safe and efficient operation of your e-bike. This kit is designed for relatively easy installation with basic tools.
3.1 Bottom Bracket Compatibility
Before installation, verify that your bicycle's bottom bracket width is compatible with the BAFANG BBS02B motor. This kit is designed to fit standard 68-73mm bottom brackets.
- Measure the width of your bike's bottom bracket shell using calipers or a ruler.
- Ensure the measurement falls within the 68-73mm range.

انځور 3.1.1: Visual guide on measuring the bottom bracket shell to confirm compatibility with the BAFANG mid-drive motor.
۳.۳ د نصبولو مرحلې (عمومي لارښود)
لاندې مرحلې عمومي اوور چمتو کويview. Always refer to the detailed wiring diagram and any specific instructions provided with your kit.
- بایسکل چمتو کړئ: Remove the existing crankset, bottom bracket, and any front derailleur. Clean the bottom bracket shell.
- Mount the Motor: Insert the BAFANG mid-drive motor into the bottom bracket shell. Secure it using the provided lock nuts and plates.
- Install Chainring and Cranks: Attach the new chainring to the motor and then install the crank arms.
- Install Display: Mount the LCD display on the handlebars in a convenient viewموقعیت لري.
- Throttle نصب کړئ: Mount the thumb throttle on the handlebars.
- د بریک لیورونه/سینسرونه نصب کړئ: Replace existing brake levers with the e-bike specific ones, or install brake sensors if using hydraulic brakes.
- د سرعت سینسر نصب کړئ: Attach the speed sensor to the chainstay and the magnet to a spoke on the rear wheel, ensuring proper alignment and gap.
- د تارونو نښلول: Connect all components to the 1T4 wire harness and then to the motor. Ensure all connections are secure and waterproof. Refer to the wiring diagram below.
- د بیټرۍ نصب کول: Mount your chosen battery securely to the bike frame (e.g., bottle cage mounts, rear rack) and connect it to the motor's power cable.
- د کیبل مدیریت: Secure all cables neatly along the frame using cable ties to prevent snagging or damage.

انځور 3.2.1: Simplified wiring diagram illustrating connections between the motor, display, throttle, brake sensors, and battery. Note: Brake lever is default; contact seller for brake sensor if needed.
4. عملیاتي لارښوونې
Once installed, your BAFANG mid-drive motor kit offers various modes to enhance your cycling experience.
4.1 LCD Display Functions (500C Display Exampلی)
The LCD display provides essential information and allows you to control the motor's settings. The 500C display typically features 3, 5, or 9 levels of pedal assist.

انځور 4.1.1: The BAFANG 500C display interface, highlighting indicators for power, speed, mileage, battery level, PAS level, error codes, headlight status, and brake status.
- د بریښنا شاخص: Shows the current power output.
- د سرعت ښودنه: د موټر چلولو اوسنی سرعت (کیلومتره/ساعت یا mph).
- د مایلج شاخص: Displays trip distance and total odometer.
- د بیټرۍ شاخص: Shows remaining battery charge level.
- PAS (Pedal Assist System) Level: Adjusts the level of motor assistance (0-3, 0-5, or 0-9).
- د تېروتنې شاخص: Alerts to system malfunctions.
- Headlight Power On: Indicates if the connected headlight is active.
- Brake Indicator: Shows when brakes are applied.
۵.۲ د سپرلۍ طریقې
The BAFANG BBS02B kit supports various riding modes to suit different terrains and preferences.

انځور 4.2.1: Illustration of different e-bike riding modes (Ebike Mode, Pedal Assistance Mode, Push Assistance Mode) and their application across various terrains like mountain roads, city roads, beach roads, and snow roads.
- Ebike Mode (Throttle): Provides power directly via the thumb throttle, allowing for propulsion without pedaling. Useful for quick acceleration or resting.
- Pedal Assistance Mode (PAS): The motor provides assistance proportional to your pedaling effort. The level of assistance can be adjusted via the display. This mode is ideal for extending range and reducing fatigue.
- Push Assistance Mode: A low-speed assist function, typically activated by holding a button on the display, which helps when walking the bike uphill or through difficult terrain.
5. ساتنه
Regular maintenance ensures the longevity and optimal performance of your BAFANG mid-drive motor kit.
- پاکول: Keep the motor, display, and electrical connections clean. Use a damp ټوکر؛ په بریښنایی برخو مستقیم ډول د لوړ فشار مینځلو څخه مخنیوی وکړئ.
- بریښنایی پیوستون: Periodically check all electrical connections for tightness and corrosion. Ensure they are securely plugged in.
- د بیټرۍ پاملرنه: If using an optional battery, follow the manufacturer's instructions for charging, storage, and discharge cycles. Avoid extreme temperatures.
- زنځیر او ډرایوټرین: Keep your chain clean and lubricated. Inspect the chainring for wear.
- بندونکي: Regularly check all bolts and nuts, especially those securing the motor and other components, to ensure they are tight.
- د بایسکل عمومي ساتنه: Continue with regular bicycle maintenance, including tire pressure, brake function, and gear adjustments.
6. ستونزه حل کول
This section addresses common issues you might encounter. For complex problems, contact customer support.
| ستونزه | احتمالي لامل | د حل لاره |
|---|---|---|
| Motor not starting/no power | Battery low or disconnected; loose electrical connections; display off; brake sensor engaged. | Check battery charge and connection; ensure all cables are secure; turn on display; check if brake levers are fully released. |
| ښودنه نه روانه ده | Battery low or disconnected; loose display cable; faulty display. | Check battery and connections; ensure display cable is fully inserted; if problem persists, contact support. |
| موټور په وقفه يي ډول قطع کېږي | Loose connections; overheating; faulty speed sensor. | Check all connections; allow motor to cool down if ridden hard; verify speed sensor alignment. |
| په ښودلو کې د تېروتنې کوډ | د ځانګړي سیسټم تېروتنه. | Consult the display's specific manual for error code meanings. Often requires checking specific components or connections. |
7. مشخصات
Detailed technical specifications for the BAFANG BBS02B 500W Mid Drive Motor.

انځور 7.1.1: Technical diagram and table detailing the dimensions and performance specifications of the BAFANG BBS02B mid-drive motor.
| پیرامیټر | ارزښت |
|---|---|
| د موټرو ماډل | BBS02B |
| BAFANG Model Name | MM G340.500.C |
| ځواک | 500W |
| والیtage | 48V (also compatible with 36V) |
| کنټرولر اوسنی | 48V 18A |
| موثریت | > ۹۰٪ |
| مکس توریک | 100 Nm |
| د پنروک درجه | IPX5 |
| د بار کولو سرعت نشته (RPM) | 120 |
| د بار سرعت (RPM) | 113 |
| د PAS سینسر | د سرعت سینسر |
| د کمولو تناسب | ۶۰۰: ۱ |
| د موټرو خالص وزن | شاوخوا 4.24 کیلوګرامه |
| د بریکٹ ښکته اوږدوالی | 68mm |
| د موټرو د عملیاتو تودوخه | -20°C~45°C |
8. تضمین او ملاتړ
BAFANG is committed to providing quality e-bike accessories. For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact the seller directly. In case of technical issues or questions not covered in this manual, please reach out to the authorized BAFANG dealer or the point of purchase for assistance.





