Features: With this bracket, you can easily and securely attach the original bracket to the bracket above the speedometer. Our bracket is suitable for both 12mm and 16mm bracket diameter. By incorporated grooves, the holder sits twisted securely on the bracket (there may be slight traces of mounting arise). The materials used are wear-resistant and not easy to age. Firmly and solid, shockproof and easy to install. You can install mobile phones into brackets immediately with one hand, and it will not fall easily. Compared with other common brackets, automatically turn off the phone or volume won'for t happen. Specifications: Material:Aluminum Alloy Size:About:5.3x4.9cm/2.08x1.92inch Color:Black/Red/Blue for R1200GS Package Includes: 1x Navigation Holder note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.