Enjoy You Riding<br> With this pedal assist sensor, the 1:1 power assist, even when you encounter steep slopes, you can easily ride<br> <br> Features:<br> Electric bicycle speed sensor (known as PAS, wheel mounted sensor).<br> high-tech component designed.<br> match well with all electric bicycles available in the market.<br> It employs the dual-magnetic loop - Hall elastic angle difference to detect the dynamic torque, which is converted to DC signal and sent to the controller.<br> 1:1 power assist. Make cycling easier and funnier.<br> <br> Specifications:<br> Material: Steel<br> Magnets: 12<br> Disk Diameter: Approx. 65mm/2.56''<br> Steel Ring Diameter: Approx. 35mm/1.37''<br> Cable Length: Approx. 1.1m/43.3''<br> Weight: Approx. 50g<br> <br> Packing List:<br> 1 x Electric Bicycle Assistant Sensor <br>