Discover the Shapeheart motorcycle cell phone mount, which can be attached to the mounts of your old M10 motorcycle rearview mirrors. It is easy to attach & use, protects your smartphone from rain, & provides an exceptionally reliable hold on any road. Features Compatible with M10 mirror threads Protects against engine vibrations 3 sizes of case compatible with all phone brands without removing the protective case (see lists below) Perfect touch-sensitive case that protects against rain 360 rotatable (landscape / portrait /.. .) Compatible with Face ID (Android) Central opening for USB (Universal Serial Bus) connection / headphones Turnkey installation 1. select the adapter according to the diameter of your handlebars: Handlebars with a diameter of 31.8 mm: no adapter Handlebars with a diameter of 28.6 mm: 1.7 mm adapter Handlebars with a diameter of 25.4 mm: 3.5 mm adapter Handlebars with a diameter of 22.2 mm: 5.1 mm adapter 2. position the adapter on the handlebars & screw on the bracket from above...