Ram Mount Handlebar Rail Mount with Zinc Coated U-Bolt Base for Apple iPod Nano 3G 3rd Generation (Black) Handlebar mount Apple iPod Nano 3G (3rd Generation) Powder Coated Marine Grade Aluminum 1" Rubber Ball "B" Size Included in this package is hardware for tubing that is 0.75" to 1.25" in diameter Patented universal rubber ball and socket system allows you to mount virtually anything anywhere. Made of marine grade aluminum with a powder coated finish and rubber balls Superior shock and vibration isolation for electronics Unique design provides easy installation, mobility, strength, adjustability and versatility Construction provides a light weight and corrosion resistant product