The sp gadgets bar mount enables you to mount your gopro camera or pov light to your handlebars seat post or for that matter any pipe or tube with a diameter between 23 and 33mm this opens up filming on your ski pole mop handle trombone or walking stick made from a lightweight aluminium and polycarbonate means it will stand up to the most brutal of conditions as an added feature you can also rotate your camera 360 degrees at increments of 6 degrees which allows pin point filming accurac