Attach your GoPro camera to handlebars, seatposts, ski poles and more. Fits 0.75' to 1.4' (1.9cm – 3.5cm) diameter tubes. You can also clamp to chainstays, small roll bars, bolt-heads, windsurfing and kite surfing control bars, or even use to create a handheld boom – any pole that is in the size range above. Comes with pivoting orientation arms allowing for 3-way adjustability, ensuring you can get the angle you want. Compatible with ALL HERO3, HERO2, and HD HERO Original CamerasWhat's Included:- 1 Bicycle Handlebar / Seatpost Clamp- 1 Three-way Adjustable Pivot ArmWarranty: 1 Year