The topeak iphone 5 weatherproof ridecase clips comfortably around your iphone 55s keeping it close to hand for use as a gps for navigation listening to music or any other functions you can use whilst on the move when cycling the topeak ridecase is constructed with a separate protective carbon fibre sheet which integrates with the engineering grade plastic exoskeleton to securely hold your iphone while on the go super lightweight and low profile the case comes with an integrated quickclick