Buybits PRO Motorcycle Bike Mount with Waterproof TOUGH CASE for the Apple iPhone 4 SmartPhone (sku 9792) Robust heavy duty TOUGH case is for the Apple iPhone 4 & Professional Motorcycle / Bike handlebar mount. Fits handlebars 19mm-35mm. Min space of 42mm required to fit. Bespoke silicon liner for the iPhone 4 only. All function buttons accessible. Clear touch lens is very responsive. Use of the iPhone not comprimised. High quality Bike mount. Secure screw fix. Case can be removed from mount for security. Case designed to IPX4, all weather, will keep your iPhone 4 secure and dry in most riding conditions. The solid, robust case has been designed to withstand daily use and will protect against wet / damp weather, knocks and bumps. Case includes removable lanyard. This is a stront, stylish, hardwearing mounting option for your iPhone 4.