Harley-Davidson motorcycles do not have any specific special insignia or markings designed specifically to signify that there are two of them when parked next to each other at an event. However, Harley-Davidson motorcycles often have unique and distinctive features that make them easily recognizable as Harley-Davidson bikes.
Harley-Davidson motorcycles are known for their iconic design, which includes features such as the V-twin engine, chrome finishes, large fenders, wide handlebars, and a generally robust and muscular appearance. These characteristics, combined with the Harley-Davidson logo and branding, make the bikes easily identifiable as belonging to the Harley-Davidson family.
During events or gatherings where multiple Harley-Davidson motorcycles are present, the shared design elements and branding serve as a visual indication that the bikes belong to the same brand. This, along with the overall style and sound of the Harley-Davidson motorcycles, creates a sense of camaraderie and community among riders.