The Polar S520 - Heart Rate Monitor was designed for the ultimate crosstrainer or triathlete. The
added cycling features allow performance to be tracked in all disciplines. The
new distance based interval function guides you through the toughest
bike workouts. With the Sonic Link technology and the new advanced
PPP 4.0 software, you can download your heart rate and cycling data onto a PC. Then you can maintain a training log and even share your data through email.
Swim...Bike
Run...Download. New dual position bike mount included. The
S520 has a new lightweight stainless steel design for added durability.