1. المقدمة
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your BAFANG BBSHD Mid-Drive Motor Controller. Please read this manual thoroughly before installation and use to ensure proper function and safety. This controller is designed for BAFANG BBSHD, BBS, and BBS03B mid-drive crank engine kits, compatible with 36V, 48V, and 52V systems, and power outputs of 500W, 750W, and 1000W.
2. معلومات السلامة
- احرص دائمًا على ارتداء معدات السلامة المناسبة، بما في ذلك القفازات وواقيات العين، أثناء التركيب.
- Ensure the battery is disconnected before performing any installation or maintenance.
- تأكد من أن جميع التوصيلات آمنة ومعزولة بشكل صحيح لمنع حدوث دوائر قصيرة.
- Do not modify the controller or any kit components, as this may void the warranty and create safety hazards.
- Consult a professional bicycle mechanic if you are unsure about any installation steps.
3. ماذا يوجد في الصندوق
Your BAFANG Mid-Drive Motor Controller kit typically includes the following components:
- Controller (integrated inside the motor)
- Brake Levers (with motor inhibitor sensors)
- دواسة الوقود بالإبهام
- مستشعر السرعة والمغناطيس
- LCD Display (various models supported)
- Cables and Wiring Harness
- عجلة السلسلة
- أذرع الكرنك
- Nuts and Mounting Hardware
- دليل التعليمات
- Tools/Wrench (for installation)
- Battery and Charger (optional, depending on kit configuration)

الشكل 3.1: انتهىview of BAFANG mid-drive motor kit components.
4. المواصفات
| ميزة | مواصفة |
|---|---|
| ماركة | بافانغ |
| رقم الموديل | C769-51-501 |
| اسم الموديل | بي بي اس اتش دي |
| المجلدtagالتوافق ه | 36 فولت/48 فولت/52 فولت |
| انتاج الطاقة | 500 واط/750 واط/1000 واط |
| نوع وحدة التحكم | Ebike BBS01B BBS02B BBSHD motor controller, Compatible with BBS Drive System |
| موقع وحدة التحكم | مدمج داخل المحرك |
| نوع نظام نقل الحركة للدراجة | Mid Drive |
| المكونات المضمنة | Controller, Brake Levers, Thumb Throttle, Brake Sensor |

Figure 4.1: BAFANG BBSHD Controller with key specifications.
5. الإعداد والتثبيت
This section guides you through the installation of the BAFANG mid-drive motor controller kit. For a visual guide, please refer to the embedded installation videos.
5.1. فحوصات ما قبل التثبيت
- Ensure your bike's bottom bracket shell width is compatible (typically 68-73mm for standard kits).
- Gather all necessary tools, including a crank arm puller, bottom bracket tool, and Allen wrenches.
5.2. إزالة مجموعة التروس
- قم بإزالة ذراع التدوير الأيسر باستخدام أداة سحب ذراع التدوير.
- Remove the chainwheel from the drive side.
- Use a bottom bracket extractor tool to remove the existing bottom bracket.
- Clean the bottom bracket shell and apply a layer of lubricant to remove any dirt.

Figure 5.1: BAFANG mid-drive motor system overview.
5.3. تركيب محرك الدفع المركزي
- Attach the chainring (e.g., 44T) to the BAFANG motor unit. Secure with M6 bolts.
- Carefully push the motor unit into the bottom bracket shell.
- Secure the motor with the Y-shaped motor mount bracket on the left-hand side of the bike, using M6 bolts and a 5mm Allen wrench.
- Install and tighten the gray locknut with the flat side facing the bike, ensuring the indicator arrow goes clockwise.
- Install and tighten the outer black locknut using the provided wrench.

الشكل 5.2: مفصل view of the BBSHD controller and its connections.
5.4. تركيب حساس السرعة
Attach the speed sensor to the rear chainstay. Use the small red LED indicator light on the sensor to find the correct position where it detects the magnetic field (the light will blink). Secure the sensor and magnet using zip ties or other provided fasteners.
5.5. Display and Controls Mounting
- Mount the display unit (e.g., DPC 010, DPC 080, EKD01) securely on the handlebar.
- Install the controller and thumb throttle on the handlebar, ensuring they are easily accessible.
- Replace your existing brake levers with the provided brake levers that include motor inhibitor sensors. These sensors cut off motor power when the brakes are applied. If your bike has hydraulic brakes, use the provided brake sensors which can be installed on the existing levers.
5.6. إدارة الأسلاك والكابلات
Connect all cables from the motor, battery, display, throttle, and brake sensors according to the wiring diagram in the separate BAFANG user manual. Use the provided zip ties to organize and secure all cables along the bike frame for a clean and safe setup.
Video 5.1: BAFANG BBS Mid Drive Motor for eBike - Installation Guide. This video provides a detailed walkthrough of the installation process for the BAFANG mid-drive motor kit.
Video 5.2: Mid Drive Motor Kit Installation Overview. This video offers an additional perspective on installing a mid-drive motor kit.
6. تعليمات التشغيل
Your BAFANG mid-drive system offers various operating modes and customizable settings for an optimized riding experience.
6.1. وظائف العرض
The LCD display (e.g., Bafang DPC 010, DPC 080, EKD01) provides real-time information and allows you to adjust settings:
- Speed Indication: Current, average, and max speed.
- مستوى البطارية: Real-time battery charge indicator.
- مستوى المساعدة: Select from multiple pedal-assist levels (ECO, TOUR, SPORT, BOOST).
- معلومات الرحلة: Distance, time, and odometer.
- رموز الخطأ: Displays diagnostic error codes.
- الاتصال عبر البلوتوث: Some displays (e.g., DPC 010) offer Bluetooth for map navigation integration and motor settings customization via a smartphone app.
6.2. أوضاع الركوب
- وضع مساعدة الدواسة: The motor provides assistance based on your pedaling input and selected assist level. Features a slow start function for smooth acceleration.
- وضع الخانق: Use the thumb throttle for instant power without pedaling.
- وضع المساعدة على السير: Provides low-speed assistance (e.g., 6 KM/H) for pushing the bike, useful for climbing inclines up to 15%.
6.3. Customizing Motor Settings
Depending on your display model, you can customize various motor parameters, including support level speed limits, max output power, start angle, and start acceleration. Refer to your specific display's manual or the BAFANG smartphone app for detailed instructions on these advanced settings.
7. الصيانة
Regular maintenance ensures the longevity and optimal performance of your BAFANG mid-drive system.
- تنظيف: Keep the motor, battery, and electrical connections clean and free from dirt and moisture. Use a damp cloth; avoid high-pressure washing directly on components.
- الاتصالات: قم بفحص جميع التوصيلات الكهربائية بشكل دوري للتأكد من إحكامها وخلوها من التآكل.
- السلسلة ونظام نقل الحركة: Keep your chain clean and lubricated. Inspect the chainring and other drivetrain components for wear.
- العناية بالبطارية: Follow the battery manufacturer's instructions for charging and storage. Avoid fully discharging the battery and store it in a cool, dry place.
- الصيانة العامة للدراجات: Perform regular checks on brakes, tires, and other bicycle components as you would with a standard bicycle.
8. استكشاف الأخطاء وإصلاحها
If you encounter issues with your BAFANG mid-drive system, refer to the following common troubleshooting tips:
- لا يوجد طاقة: Check battery connection, ensure the battery is charged, and verify all main power cables are securely connected.
- المحرك لا يساعد: Check the selected assist level on the display. Ensure the brake levers are not engaged (motor inhibitor sensors). Verify the speed sensor is correctly aligned and functioning (LED blinks).
- العرض لا يعمل: Check display cable connection to the controller. Ensure the main power is on.
- رموز الخطأ: Consult the specific BAFANG display manual for explanations of error codes and recommended solutions.
- ضوضاء غير عادية: Inspect the motor and drivetrain for any loose parts or obstructions.
If the problem persists, contact BAFANG customer support or a certified e-bike technician.
9. الضمان والدعم
BAFANG provides comprehensive warranty and support for its products:
- ضمان: All devices and parts are produced by OEM of BAFANG, reliable and in good compatibility. One year quality warranty.
- الإرجاعات/الاستبدالات: One month free return, replacement, or maintenance if any quality problem within 1 year.
- خدمة ما بعد البيع: North American after-sales service center provides technical support and maintenance.
For warranty claims or technical assistance, please refer to the contact information provided with your purchase or visit the official BAFANG webموقع.