Original Arkon Universal GPS/Smartphone Bicycle/Motorcycle Handle Bar Mount w/ Waterproof Zip-up Cellphone Hard Case, GPS032 - Black The Original Arkon Universal GPS/Smartphone Bicycle/Motorcycle Handle Bar Mount w/ Waterproof Zip-up Cellphone Hard Case, GPS032 - Black features a transparent touch through lens allows you to view and control the touch screen of your GPS. A water resistant zipper on the holder is easy to use and keeps the water out. A cut out on the bottom of the case provides access for charging cable. Three pieces of foam included serve to fit the holder with varying sizes of GPS brand or device size. Original Arkon Universal GPS/Smartphone Bicycle/Motorcycle Handle Bar Mount w/ Waterproof Zip-up Cellphone Hard Case, GPS032 - Black Features: HANDLEBAR MOUNTING PEDESTAL Fits handlebars up to 33mm diameter Compatible with most straight, drop, trekking, and touring size handlebars For use with bicycles, motorcycles, golf carts, ATVs, snowmobiles, hang gliders, or other apparatus having cylinder-shaped frames or posts WATER RESISTANT HOLDER Features transparent touch through lens, waterproof zipper, and a cut-out at bottom for charging cable access Compatible with 3.5 and 4.3” GPS devices, Garmin Nuvi 200, 300, 500, 600, 700, 800 series GPS, Magellan Maestro 3000/400 series, Crossover, and Roadmate 1000 Series GPS, TomTom One, GO, XL series GPS, and similar mobile sizes. Includes multiple pieces of foam for use as spacers with different sized GPS devices Brand: Arkon Manufacturer P/N: GPS032 Original Arkon Universal GPS/Smartphone Bicycle/Motorcycle Handle Bar Mount w/ Waterproof Zip-up Cellphone Hard Case, GPS032 - Black