Part of the beauty of the GoPro HD Hero Camera is its go anywhere versatility. And to make the most of it, you may want to be able to mount the camera securely to your bike. With the GoPro Mounting Clamp, you can attach your camera to any round or semi round tube from 19 35mm in diameter. So you can have your camera on the chainstays, seatpost, handlebars, or even on the fork legs. Whatever view you choose, you can capture it. The GoPro Handlebar Mounting Clamp includes the tool free handlebar clamp and a three way adjustable pivot arm so you can position the camera housing at any angle relative to the clamp.