Specifications Brand Name:SUPER ADVENTURE Origin:Mainland China Material:ABS plastic + high quality steel Fitment:For BMW R1250RT 2021- Navigation Device Holder or Mobile Phone Holder For BMW R 1250 RT (2021-) Whether you use it to connect a navigation device or a smartphone: the universal device holder conveniently and ergonomically positions the relevant device in the natural visual direction, ensuring easy and above all safe driving. In this way, the driver can always keep an eye on the lane and the navigator at the same time. This placement has proven to be very effective and actually provides more comfort when driving, navigating and using equipment, thereby avoiding premature fatigue and improving road safety. The gauge mounts are secured to the top of the fairing using large 3M adhesive pads that sit above the dash. Instrument stand is made of black powder-coated stainless steel with rubber base Bracket crossbar diameter: 12mm Multifunctional charging mobile phone holder： We have provided 2 options in the options, namely "Wireless Charging Version" and "USB Charging Version". "USB charging version" provides dual USB charging sockets, carrying a non-destructive connection cable, A USB charging cable, a 12mm diameter clip. (This option does not come with wireless charging) The "Wireless Charging" option includes all the features of "Lossless" and provides Mobile phone wireless charging function - USB port output 5A adaptive - Wireless charging 10W adaptive - The wireless charging induction coil is adjustable and can be used with all mobile phones - Provide external wiring, and use all models that can install this bracket - Wired and wireless dual output - Do not block the phone buttons Fitment： For BMW R 1250 RT (2021-) After-sales service： Dear friends: If you have any questions during the purchase process, please do not rush to open "disputes" and "bad reviews". Contact us, we are adhering to the best after-sales service to customers, and do further after-sales treatment for you, thank you Sincerely