Kenai mounting kits are made with 3/4" (20mm) tubing and are powder coated to provide a corrosion resistant mounting surface The mounting kits use a rear cross bar design that provides maximum rigidity and helps prevent damage if the motorcycle falls. All mounting kits are specifically designed with specific mounting brackets and points to ensure precise installation to the bike All kits come with the necessary hardware and assembly instructions Please note that you must use the 36 liter pannier on the exhaust side to keep the bike balanced