Aerodynamic, lightweight and designed to work perfectly with the Garmin Edge cycling computer, the 1030 Out-Front Mount is compatible with handlebar sizes ranging from 25.4 to 31.8 millimeters. Created to provide a profile that's inline with the handlebars, not slightly above or below, the 1030 Out-Front Mount creates as little wind drag as possible while providing ideal accessibility to all the data your Garmin Edge device.