Harley-Davidson FL
FL is a model designation used on motorcycles manufactured by Harley-Davidson from 1941 to present. Mostly applied to Harley's large-framed bikes, including the current Touring series, the FL designation is also used with their Softail series, especially on Softails with traditional styling, 16-inch front wheels, and either Springer forks or large-diameter telescopic front forks.
Read more about Harley-Davidson FL: Early FL Models, Hydra-Glide, Duo-Glide, Electra Glide, Tour Glide, Unfaired Glides, 2009 Touring Chassis, FL Softails, FLD Dyna Switchback