Light-weight Waterproof Bike Cycle Head Stem Mount for Apple iPhone 5 / 5S / 5C Bicycle Head Stem Mount with IPX3 waterproof standard light-weight case for the Apple iPhone 5 / 5S / 5C smartphone. Fits: 1 1/8" Star Washer bike stems. A complete cycle mounting option to hold the Apple iPhone 5 / 5C / 5S mobile smartphone. The Mount: Strong secure mounting base. Machined from solid billet aluminium. British made. Fits 1 1/8" Star Washer Stems only - not suitable for Quill Stems. Fitting - Tighten to manufacturers torque setting. The Case: Light-weight. Soft tough lining. Zip access. IPX3 weather resistant - will protect from light rain showers & water splashes. Touch sensitive screen lens. Detachable lanyard. Incorporates the Ultimate Addons 3 prong attachment system. What's included? 1 x 1 1/8" head stem mount; 1 x 3-prong adaptor; 1 x soft case (iphone 5/5S/5C). Important - when fitting the case to the mount always ensure the adapter clicks fully in position before inserting your phone.