$49.95 $44.99 $4.96
Boost your cycling performance and find out what your most efficient pedaling rate is. The sensor works with Bluetooth® Smart technology and consumes 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.