Item Descriptions:-The integration dual hall PAS assist sensor, and it is novel in design and easy to use.-Output 12 signals with fast power-assist response speed, and it can automatically identify the positive rotation and the reverse rotation of the pedal, and does not limit the duty cycle.-Compared with the traditional separation sensor, it can realize the concentric motion of disk and magnetic induction element, which is with high sensitivity and stable signal.-KT-V12L assist sensor fits on the left hand side (non-drive side). To install, remove the left crank, install the sensor, then install the crank back into place to complete the sensor installation.-Adopts good quality ABS, sturdy, waterproof and durable for years of use.Package:1Pcs Electric Bike KT-V12L PAS Pedal Assist SensorItem Specifications:Part Type:PAS SensorMaterial:ABSWire Length:80cm/31.5inchesColor:Black