91053157 BLUETOOTH CADENCE SPEED

Boost your cycling performance with our cadence and cycling speed sensors: find out what your most efficient pedaling rate is and measure your speed and distance accurately. The sensors included in this set work with Bluetooth Smart technology and consume only a little energy. You can later analyze your training at the Polar Flow web service. Compatible with dozens of leading 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.