This Ultimate Addons version 2 of the 25mm to 3 prong adapter is one of the most popular adapters to fit a wide range of 1" / 25mm ball mounts. If you already have a 25mm or 1" ball attachment connected to your motorcycle / scooter / bicycle, then you can use this 25mm to 3 prong adapter to connect to Ultimateaddons 3 prong cases and holders. This latest version is now supplied with push buttons on the side for a quick and secure locking system.
