Shimano Speed Sensor Unit 760mm EW-SS302

The Shimano Speed ​​Sensor Unit 760mm EW-SS302 is a sensor used on electric bicycles equipped with the Shimano Steps system . This sensor measures the speed of the bike and sends this information to the Shimano Steps system controller, allowing the system to adjust the electric motor's assistance according to the current speed of the bike. The sensor mounts to the bike's frame stay and connects to the Shimano Steps system via a 760mm long cable .