
Genuine Bafang BBS series mid drive controller for BBS01 BBS02 BBSHD. C571/C769 versions, 36V/48V/52V, 250W-1000W, built-in gear shift sensor & front lamp connector, UART communication for e-bike mid motor repair replacement.
| Model | Voltage | Power | Feature |
|---|---|---|---|
| C571-30-511 | 36V | 250W | With gear sensor & front lamp connector |
| C571-30-513 | 36V | 350W | With gear sensor & front lamp connector |
| C571-30-515 | 36V | 500W | With gear sensor & front lamp connector |
| C571-30-514 | 48V | 500W | With gear sensor & front lamp connector |
| C571-30-512 | 48V | 750W | With gear sensor & front lamp connector |
| C769-51-501 | 48V | 1000W | With gear sensor & front lamp connector |
| C571-30-506 | 52V | 1000W | With gear sensor & front lamp connector |
Note: Please match voltage, wattage and connector pinout with your original controller before purchase. Not compatible with Bafang M/G series mid motors or hub motors.
✅ UART Communication Interface: Stable data exchange with Bafang BBS motor & display, real-time parameter monitoring, smooth power output.
✅ High Current Capacity: Max 30A for 48V 1000W, 28A for 52V 1000W, reliable performance under heavy load and off-road riding.
✅ IPX5 Waterproof & Compact Structure: Dustproof and splash-proof, compact design for easy installation inside BBS motor housing.
✅ Direct OEM Replacement: Plug-and-play replacement for broken original BBS controller, no extra frame modification required.
Brand: Bafang
Product Name: BBS Series Mid Drive Motor Controller
Model: C571 / C769
Applicable Motor: Bafang BBS01, BBS02, BBSHD Mid Drive Motor
Voltage: 36V /48V /52V
Power: 250W /350W /500W /750W /1000W
Communication: UART
Protection Level: IPX5
Accessories: Controller + Wiring harness + Seal gasket
Package: 1 × Bafang BBS Controller Assembly
⚠️ Must match voltage, power rating and connector type of your original BBS controller before ordering. Wrong spec will cause system malfunction.
⚠️ ONLY fits Bafang BBS01 / BBS02 / BBSHD mid drive motors. NOT compatible with M500/M600/G520/G521 or hub motors.
⚠️ Professional ebike technician installation recommended. Double check wiring connection before powering on.
⚠️ Only controller assembly included; motor, battery, display and other drivetrain parts are not included.
Minor color deviation may exist due to different screen displays.


We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
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