Just purchased this unit…so far so good…everything that i wanted…very easy to use…to many functions to list…but current elevation…elevation gain and ascent during and after ride…heart rate and cadence if you’re more into training…very very lightweigh…long battery life…easy to mount on your bike or in a pocket…wireless everything…if you have any questions feel free to send me an email…i had a difficult time finding anyone that had used this unit or used any gps unit (rei and several bike shops had no useful info for me.