The Polar S725 Heart Rate Monitor is one of our top selling HR monitors. The Polar S725 heart rate monitor is the ultimate performance monitoring system for cyclists. ECG accurate, easy to use, and comes with a 2 year warranty.

Polar S725 features include OwnCal, OwnIndex, trip, speed average and max, speed sensor, altitude and ascent, Polar Precision Performance analysis software, watch features, and the WearLink 31 coded transmitter. Polar Exclusive- upload and view workout data from the Polar S725 to your Nokia 5140 phone.