The Ride HERO is a seatpost and handlebar tube clamp for mounting your quick-release GoPro camera on to tubes/frames ranging from 0.75" to 1.4" (1.9cm - 3.5cm) in diameter. You can also clamp to chainstays, small roll bars, bolt-heads, windsurfing and kitesurfing booms/control bars, or anything else 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 GoPro quick-release cameras including the Helmet HERO Wide, Motorsports HERO Wide, Motorsports HERO, Surf HERO, and WIDE HERO cameras. Not compatible with the Digital HERO 5 Wrist Camera.