Sets up in seconds + clamps easily Mount your GoPro to handlebars, seatposts, ski poles and more. The hinged design easily clamps to different mounting locations. The mounting base rotates 360Adeg 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. Product Details Includes Handlebar / Seatpost / Pole Mount, large rubber insert, small rubber insert, vertical mounting buckle and thumb screw Hinged, non-slip design sets up in seconds and clamps to any 0.35 to 1.4in (9 to 35mm) diameter tube Rotating base features 360Adeg rotation with 16 secure positions, ensuring the perfect angle and allowing rapid changes in perspective for more dynamic footage The mounting buckle lets users move their camera between mounts on the fly, enabling fast and easy changes in perspective Durable construction prevents slipping and breaking and minimizes vibration and camera shake No loose parts to drop or lose