With the production of this device carrier, we have developed a base on which you can set our multiple functions navigation device holder Smartphone System Mirror Bundle as well as other smartphone and navigation attachment systems in a visible and ergonomic, easy to operate position on the handlebar bridge. We have constructed the base holder with a cylindrical recess (length 59 mm, 13 mm) so that it is compatible with practically all current attachment systems. At the same time, no matter whether you want to use the universal device holder for your navigation device or smartphone, it ergonomically positions the device in the natural line of sight, making your ride more relaxed and above all, . This ensures the rider always has their eyes on the road and an eye on the navigation at the same time. This arrangement has been ideally tried and tested for motorcycles and provides noticeably greater comfort while riding, navigating and operating, meaning it avoids premature tiredness and increases safety in road traffic. The device holder is centrally secured on the handlebar bridge via a large-area adhesive pad. The device holder is made of -coated stainless steel. Function: This device can be used flexibly and has multiple functions Compatible with almost all current attachment systems Ergonomic positioning of the smartphone/navigation device Visually ergonomic positioning in of sight Ergonomically optimal positioning for operation Ensures relaxed and Increases safety because your gaze stays on the road while navigating Avoids tiredness Product Information: Attachment dimensions for the device recess Length : 59 mm Diameter:13 mm Material: Metal colour: black Package Contents: 1 x Motorcycle Navigation Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.