Arkon's GPSWPCS534 handlebar mount fits all GPS devices with 5" screen size from companies such as Garmin, TomTom, and Magellan. This mount package includes Arkon's Zip-Tie Style Bicycle or Motorcycle Handlebar Mount with Water-Resistant Holder. The bicycle or motorcycle mount fits on handlebars measuring 15mm to 50mm in diameter. The versatility of the zip-tie style of the mount makes it compatible with a variety of sizes of handlebars/roll bars, including those on snowmobiles, ATVs, and golf carts. The mount's swivel ball adapter head rotates 360°, providing the ultimate flexibility in viewing the GPS from any angle. The water-resistant case zips open for easy access to the device and features a touch-compatible plastic face that allows you to operate the GPS with the case on.