The GUB-85/Decathalon Triband stem mount is the ideal solution for those looking to securely mount their GUB-85/Decathalon Triband compatible device on their Brompton bike M handlebar stem. This high-quality mount is made from durable materials and is designed to withstand the demands of cycling, ensuring that your device stays in place while you ride. The mount is easy to install and remove, making it convenient for users to switch between different bikes or setups. With its secure GUB-85/Decathalon Triband connection, you can be confident that your device will stay in place, even on rough terrain. Whether you're using your device for navigation, music, or tracking your fitness data, the GUB-85/Decathalon Triband stem mount provides a stable platform for your device, allowing you to stay connected and in control. With its sleek design and compatibility with GUB-85/Decathalon Triband mounts, this mount is the perfect choice for anyone looking to enhance their cycling experience. *** Adapter Only. Phone holder not included. Only suitable for GUB-85 or Decathalon Triband phone holders as shown in the pictures.