What I was looking at is the Wahoo Fitness Fisica iPhone case:
http://www.wahoofitness.com/Fisica/W...ensor-Case.asp
It seems to have everything you need to turn the iPhone into a super cycling computer. At least in theory.
But the feedback from your guys are making this sounds like a terrible idea compare to a Garmin Edge 705, or even an Edge 500.
Comments?