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- dafuli01@ebikeserviceparts.com
BESST tunable CAN protocol replacement controller for BAFANG M620/G510 mid drive motor, 48V/52V, 750W/1000W. ONLY fits Bafang M620/G510 CAN version mid motor. Torque shaft calibration via BESST tool is mandatory after replacement. Sold as pictured without extra accessories.
This is a genuine replacement CAN controller board designed exclusively for BAFANG M620 / G510 mid-drive electric bicycle motors, supporting BESST tuning. Rated for 48V / 52V, 750W and 1000W versions.
⚠️ Important Compatibility Warning This controller is only suitable for BAFANG M620 / G510 CAN protocol mid motors. It cannot work with other motor models. Bafang M620/G510 motors have two different firmware/protocol variants (CAN and non-CAN). Please confirm your motor version before purchase. If you are unsure, send photos to our team for verification to avoid wrong order.
⚠️ Mandatory Calibration Notice After replacing the M620/G510 CAN controller and torque shaft, calibration via the BESST tool is required. The motor will not run normally without calibration. DO NOT force power on without completing calibration; forced startup will permanently damage the controller. Any damage caused by improper calibration operation is not covered by warranty. Please operate correctly with professional knowledge.
Product is sold exactly as shown in the picture. No additional accessories included.
| Item | Parameter |
|---|---|
| Model | For BAFANG M620 / G510 Mid Motor (CAN Protocol) |
| Voltage | 48V / 52V |
| Power | 750W / 1000W |
| Protocol | CAN Bus |
| Tuning Tool | BESST Software Required |
| Application | Replacement control PCB for Bafang M620/G510 mid drive motor |
| Package Content | Controller board only, no extra accessories |
✅ CAN bus communication board, dedicated replacement PCB for Bafang M620 / G510 mid motor
✅ Supports BESST tool tuning and torque shaft calibration for correct motor operation
✅ Matches 48V/52V 750W /1000W M620 G510 mid drive ebike motors
✅ Direct replacement for broken original controller board, for ebike repair & service shops
✅ Compact OEM style PCB layout, same mounting & pin definition as original CAN controller
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.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
Sea freight, air freight and rail transport are optional.
Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.
We provide part identification, model matching and full order follow-up support.
