Feature: 1. Functions: According to the wind, slope and speed, the riding strength can be adjusted at any time, so that the physical energy can be exerted in a balanced manner, and the function of the bike is extended. 2. Integrated Structure: The design of the induction components and the built in magnetic disk integrated realizes the concentric movement of the magnetic disk and the induction components. 3. Higher Sensitivity: 12 channel signal output, higher sensitivity. Power assist affects the speed, and can automatically recognize the pedal when forward and backward. 4. Upgraded Features: Compared with the general separate sensor, the integrated sensor has higher sensitivity and the model is stable. Stable signal, beautiful appearance. 5. Wide Range of Applications: Convenient and fast installation. It can be installed on all electric bikes and compatible with all controllers. Strong practicality. Specification: Item Type: Bike Pedal Assist Sensor Material: ABS Weight: Approx. 33g / 1.2oz . Package List: 1 x Pedal Assist Sensor