Upgrade your Bafang BBS02 or BBSHD electric bike system with this specialized CAN BUS speed sensor. Featuring an 4-pin connector design, this sensor ensures plug-and-play installation for seamless integration with your existing setup. The unit delivers reliable and accurate speed tracking through stable signal transmission, essential for optimal motor performance and riding experience. Built to withstand various riding conditions, this waterproof sensor maintains consistent functionality regardless of weather exposure. The speed sensor is specifically engineered for Bafang CAN BUS motors, providing precise speed data communication that helps maintain proper motor assistance levels. Its durable construction and secure mounting system ensure long-lasting performance for your e-bike setup. This replacement unit is an ideal choice for riders looking to maintain or restore their Bafang motor system's full functionality with genuine compatible components.