Buybits Bicycle Head Stem Mount with iPhone 4S Tough Case (sku 16737) Bicycle Head Stem Mount with iPhone 4 & 4S waterproof tough case for 1 1/8" Star Washer bike stems. Complete cycle mounting option for the Apple iPhone 4/4S 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 manufactures torque setting The Tough Case: IPX4 weather resistant - will protect from light rain showers & water splashes. A hard shell case with bespoke anti-shock silicon liner. For iPhone 4S & 4 only. Headphone, camera & power access. Make & receive calls. What's included? 1 x 1 1/8" head stem mount 1 x 3 prong adaptor 1 x iPhone 4/4s tough case.