Fotodiox Pro GoTough Racing Vehicle Clamp Mount Race Car Roll Cage, Motorcycle Handlebar fits GoPro HERO 2,3,3+,4 QR Clips Compatible with GoPro HD HERO, HERO2, HERO3, HERO3+ and HERO4 Quick Release Buckle System. The included mount is compatible with select GoPro quick-release clips allowing you to attach your camera quickly and easily Fits around any bar from 1.3" to 2.1" (34.25mm - 54.5mm) in diameter. Securely attaches camera housing to handlebar, seat post, fork, boom, roll bar, etc. Recommended Use: filming race car rides, boating, wakeboarding, motorcycle rides and more! Included locking ball joint allows for complete adjustability, allowing you to get the angle you want Weatherproof industrial grade anodized aluminum with shock proof foam rubber insert to absorb vibrations and give a steady and sturdy mount 24 Month Manufacturer Warranty