Originally Posted by
blauger
I would be concerned with it overheating and the possibility of it being damaged would be greater than if it was in the pack.
I've managed to overheat my iPhone when I left it in the map pocket of my handlebar bag. Everything I've stored inside the bag has been fine. I had a 100-degree 96-mile day back in 2009 where the iPhone, Kindle, and my insulin were in my handlebar bag and all of them came through without a problem...