The SP Connect™ Universal mount can be attached to any bar or tube with a diameter between 20 and 90mm (0.9 – 3.5 inch). The spring loaded mount allows for a toolless 360° rotation of the attached device. Your smartphone can be securely fastened to bicycles, motorbikes, golf trolleys or baby strollers allowing you to use your apps to access your playlists, read messages or navigate. Toolless fastening and adjusting 360°rotation/90° increments For diameters from 20-90mm (0.9-3.5inch) 2 different strap lengths included