Polar v650 strava gps cycle computer with hrmpolars v650 strava gps cycle computer with hrm is for devoted cyclists who want to analyze every aspect of their riding and boost their cycling performance it features a large customisable 28 touchscreen so you can clearly see the figures that matter to you the unit itself has all you need to make your workouts as efficient as possible and the support afterwards with the polar flow web service gives you more in depth analasis and advice on how to