Mount your GoPro to handlebars, seatposts, ski poles and more. The hinged design easily clamps to different mounting locations. The mounting base rotates 360 deg to give you different camera angles at the push of a button and lets you move between mounts quickly. Fits 0.35 to 1.4in (9 to 35mm) diameter tubes. GoPro Handlebar/Seatpost/Pole Mount | Christy Sports