This fits your . Make sure this fits by entering your model number. 8 Magnets: There are 8 magnets in the sensor, the accuracy will be higher than that of 5 magnets, and the distance from the sensor will be farther; in terms of sensitivity, it is 1‑2 times that of ordinary 5 magnets. Hall sensor: There is a single Hall sensor in the shell, which can assist the motor to accelerate the cycling of the . The assist sensor is installed on the right side of the pedal by default. Material: The sensor is made of high quality PC plastic material, which is strong, stable and durable. Professional Manufacturing: Stable performance, high reliability; easy installation and disassembly. Universal: Can match most electric bikes, the auxiliary speed sensor has the advantage of matching with all electric bikes on the market.