Boost your cycling performance with our cadence and cycling speed sensors: find out what your most efficient pedalling rate is and measure your speed and distance accurately. The sensors included in this set work with Bluetooth Smart technology and consume very little power. You can later analyse your training in the Polar Flow web service. Connect your speed and cadence sensor set with your smartphone.

• Small and light design with firm bike attachment
• Compatible with iPhone 4S and later, and with selected Android devices including Samsung Galaxy S3 and S4 using Android 4.3 or later.