I haven't got one myself, but I'm looking for a smartphone mount in order order to navigate/go geocaching, and found this one: http://bikereviews.com/2010/12/topeak-2011-iphone-dry-bag/

I haven't got one myself, but I'm looking for a smartphone mount in order to navigate/go geocaching, and found this one: http://bikereviews.com/2010/12/topeak-2011-iphone-dry-bag/