With the SWISSTEN EASY LOCK BIKE holder, you can attach your smartphone to the handlebars of your bike and get a perfect overview of your navigation and other smartphone apps.  EASY LOCKThe unique system of attaching the smartphone to the mount thanks to the SWISSTEN EASY LOCK interface ensures that the smartphone can be easily handled and also securely attached. To release the smartphone from the lock, simply press the red button. Where to attach the holderThe holder is designed to be attached to the handlebar or stem at the place that suits you best. You can rotate the holder in whichever direction you need and then tighten securely with the included Allen screw. In addition, you can clip your smartphone to the holder in both portrait and landscape orientation according to your current needs. VariabilityA huge advantage of the SWISSTEN EASY LOCK system is that the same system is also used for the other products 61001000 - SWISSTEN EASY LOCK ARMBAND and 61003000 - SWISSTEN EASY LOCK CAR/HOME/OFFICE. Secure attachment to smartphoneThe adapter is a universal plate that you simply attach to the centre of your smartphone or other device. The plate is equipped with 3M tape that adheres securely to your smartphone. It is a good idea to degrease the area before sticking it on. Specifications:Handlebar diameter: 22.2-28.6mmSmartphone size: 4""-6.8""