Introducing the topeak ridecase weatherproof iphone 5 this is a lightweight solution specifically designed with the iphone 5 in mind this allows you to use your phone as your gps or trainer when cycling giving you precise readings on your phone screen the mount comes with a handy case which can be used as phone case as usual the case itself has a sleek carbon finish and offers extra durability when you arent using on your bike the weatherproof two tone injected high impact resistant plasti