350W Torque Sensor

Rear dropout torque sensor for the Surface 604 Boar E350 running the 36V system. This sensor measures pedal force and communicates with the controller to deliver proportional electric assist.

Note: replacing this sensor may also require a new controller and torque sensor extension wire, depending on your bike's wiring version. Diagnose carefully before ordering to ensure you have all the components needed for a successful repair.