The Polar Cadence Sensor Bluetooth Smart is designed to help boost your cycling performance and find out what your most efficient pedaling rate is. The sensor works with Bluetooth Smart technology and consumes minimal energy. Later on, you can analyze your training with the Polar Flow web service.
Compatible with dozens of fitness apps
Small and light design with firm bike attachment
Compatible with iPhone 4s and later and select Android devices using Android 4.3 or later