Handlebar U-Bolt 1inch Ball Mount with Short Double Arm and Custom GoPro Hero Adapter. (sku 30641)Handlebar U Bolt 1inch Ball Mount with Short Double Arm and Custom GoPro Hero Adapter. This mount consists of a zinc coated u bolt base, short double socket arm and custom GoPro Hero adapter. The mount is designed with a 1inch diameter rubber ball and socket system that has adjustment points at both ends of the double socket arm allowing for almost infinite adjustment and perfect viewing angles. Included in this package is hardware that will