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The Bafang SR SD021 is a speed sensor for Bafang mid-drive systems with the CAN bus protocol. The sensor mounts on the chainstay and, together with a spoke magnet, detects wheel rotations from which the controller calculates the speed. Fitted with dual hall sensors for reliable signal detection in accordance with EN 15194. Cable length 550mm, connector 3104A1004. Used on models with the Bafang M400 and M420 motor, among others.
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Article Number: 43059 EAN number: 8721302933163
