The AIM Motorsport SmartyCam U bolt mount allows you to mount your SmartyCam HD or SmartyCam 3 (excluding GP version) to motorcycles or cars. The mount is designed to mount to a roll bar, railings or tubes that have a diameter of between 0.5 to 1.5 inches. The U bolt clamp has a unique ball and socket system which has been designed to cope with the rigours of Motorsport.Includes a rubber insert and lock nuts for a more secure fitThe ball and socket type system provides an adjustable and a very strong mountingSecurely attaches to any roll bar, railing or tube with a diameter of 0.5 to 1.2 inchesThe mount is adjustable, once you have got the camera in the optimal position to capture the best footage you just have to tighten the leaver to secure the camera in place.