Transform your hand-held Garmin GPS unit into a state-of-the-art cycling guidance-system with this handlebar mount. Fits older eTrex models with black-and-white screens. Mount fits up to a 1-inch diameter bar-perfect for your bike, motorcycle or ATV. Quick-release allows easy removal for hand-held operation or security when your away from your bike. Installation of the bracket to your GPS will not effect its operational performance. Includes hardware and instructions. Please note: X-series eTrex GPS models include an auxiliary mount adapter to allow GPS units original battery plate to fit.