GOOD MATERIAL: This stem extension mount is made of qualified aluminum alloy and plastic, solid and durable to usePERFECT DESIGN: Widened plate design increases the supporting area to give better support for bike computerEASY INSTALLATION: It is a extension mount holder for Garmin bike computer. Easy to install, suitable for most bicycle"s stemsAPPLICATION: Comes with a clip mount which is designed for holding sports camera, suitable for Gopro, XiaoyiLIGHTWEIGHT: The bike extension mount is lightweight, which will add no burden to your bike. Great accessories for cycling enthusiastsWhen shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it