Thank you for viewing. Instant purchase is welcome. This is a mount for attaching navigation systems, ETC devices, GoPro cameras, smartphone holders, etc. to motorcycle handlebars. It's well-made, so it's recommended for those who want to securely fix items to their handlebars. Compatible handlebar diameter: Up to approximately 30mm * Compatible attachments: Unknown * The four-hole pattern of the mounting part is the same as "Kaedear KDR-R6," but the manufacturer is unknown. Due to the above reasons, please refrain from purchasing if you do not know how to use it. Also, no claims and no returns are accepted. * No price reduction Navigation mount Smartphone holder Kaedear KDR-R6 External ETC mount Handlebar Motorcycle mount Handlebar mount Bar mount Attachment Kaedear