Polar V650 Cadence Strava Bundle Heart Rate Monitor Limited-time promotional bundle pack includes V650 cycling computer, heart rate sensor, Bluetooth Smart speed and cadence sensors and a free 2 month subscription to Strava Premium Tracks speed, distance, cadence and route with integrated GPS Large 2.8" color touch screen Get the most accurate altitude data with the built in barometric pressure sensor Plan and analyze your training with the Polar Flow web service