Buybits Motorcycle, Motorbike, Bicycle, Bike Handlebar Mount with Waterproof Weather Resistant Case for the Apple iPhone 4 (sku 8230) Waterproof / weather resistant case attaches to handlebars or motorbikes or bicycles. Fits phones 125mm x 65mm max. Clear touch sensitive screen allowing full access to your phone. Lined zip fastening keeps the rain out. Case can be positioned horizontally or vertically on the mount - great for Satnav or map apps. Includes Lanyard. Fits handlebars with diameter 21mm - 30mm. Mount has removable lining to reduce vibration. Press button release allows the case to be completely removed from the bicycle mount at the touch of a button, a great security feature.