A43I Speed Sensor for Bafang BBS01 BBS02 BBSHD Mid Drive E-Bike Motor

Upgrade your e-bike performance with the A43I Speed Sensor for Bafang BBS mid drive motor kits. Designed specifically for BBS01, BBS02 and BBSHD systems, this precision speed detection sensor ensures accurate real-time speed readings for smoother pedal assist performance.

Whether you’re commuting across the city or riding off-road trails, this A43I sensor delivers reliable speed data to your motor controller, helping optimise efficiency, safety, and riding comfort.

Built with durable materials and weather-resistant construction, it’s the perfect replacement or spare part for maintaining peak e-bike performance.

Compatible with:

• Bafang BBS01

• Bafang BBS02

• Bafang BBSHD

Ideal for UK e-bike riders looking for dependable and accurate speed detection.

FAQ

Is this speed sensor compatible with all Bafang motors?

No, this A43I sensor is specifically designed for BBS01, BBS02 and BBSHD mid drive motor kits.

How do I install the A43I speed sensor?

It features a plug-and-play connection. Simply mount it near the rear wheel and connect it to your motor wiring harness.

Does this sensor improve pedal assist accuracy?

Yes. Accurate speed data ensures smoother and more responsive pedal assist performance.

Is this suitable for UK road and off-road use?

Yes. The sensor is weather-resistant and suitable for commuting, trekking and MTB riding.

When should I replace my speed sensor?

If your speed reading is inconsistent, shows error codes, or pedal assist behaves irregularly, replacing the sensor may solve the issue.