Bike Pedal-Assist Sensor 1 Pc 12 Magnets 1m 32g ABS Auxiliary Sensor-Cadence
Weight: About 32g. Line length: approx. 1m / 3.3ft. 1 x Bike Pedal Assist Sensor. Magnets: 12. It is suitable for use in electric bicycles. This product is made of high quality ABS material, which is and not easy to wear.