This fits your . Make sure this fits by entering your model number. ABS Material: The pedal assist sensor is made of high quality ABS material, fine workmanship make the products durable, not easy to damage, and greatly extend the service life. Easy To Install: Unlike other pedal assist sensors, the KT‑D12R pedal assist sensor adopts split installation, no need to remove the crank, and the installation is simpler. Main Function: Works well for pedal assisted electric bicycle riding system, which can save energy when pedaling and provide stable pedal motor power. Main Features: With many features such as small size, light weight, corrosion resistance, the D12R speed sensor is easier to install and the sensor is more sensitive. Right Installation: The KT‑D12R power assisted magnetic point is installed on the right side of the bicycle, and with a waterproof plug, it has better performance.