It is made of high-quality CNC aluminum material, with high processing accuracy and better detail processing. The 12mm diameter meets the installation needs of most mobile phone holders, navigators and dashcams on the market. Add personality to enrich your motorcycle. The product can be installed without modification. Fitment: For R1300GS 2023- For R1300GS Adventure 2023- Note:Please confirm when placing your order that this product is suitable for your motorcycle. Colour:Silver Material:aluminum Package Contents: 1 set * 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.