Founded in 1903, Harley-Davidson has seen its motorcycle designs evolve dramatically since the introduction of the Model 0. Originally based on a bicycle-like frame with a modest engine reaching speeds up to 35 mph, this early model laid the groundwork for many modern Harley-Davidson bikes. Over time, the company has refined its frames to cater to diverse riding styles and aesthetics.
Whether you’re eyeing a new Harley-Davidson and need to choose the right frame or you're simply interested in the legacy of these iconic machines, here’s a look at the most notable and enduring motorcycle frames. We also touch on their histories and inspirations.
Softail
The Softail stands out in Harley-Davidson’s cruiser lineup for its unique design. Though it resembles a hardtail at first glance, it features a concealed rear wheel suspension supported by a swingarm. This design allows riders to enjoy the classic Harley aesthetic with the comfort of rear-wheel suspension. Introduced in 1984 as the FXST Softail, this frame was initially lacking rubber-mounted engines, leading to more vibration. Harley-Davidson later added a rubber-mounted Twin Cam engine to enhance comfort. Despite these advancements, the Softail maintains its signature look with clean lines and a low seat height, and it has influenced other brands like Honda, Yamaha, and Kawasaki.
Sportster
In response to competition from British motorcycles, Harley-Davidson introduced the Sportster XL in 1957, drawing inspiration from the K Series. It featured a new Ironhead engine, which became a hallmark of the Sportster line. By 1979, the frame had been lightened and stiffened, marking the end of the manual kickstart Sportster. Over the years, Harley-Davidson refined the model, focusing on comfort and new technologies. Despite these changes, the Sportster's lightweight, nimble handling, and low seat height continue to define its character, making it a popular and affordable option for new riders.
Touring
Designed for long-distance travel, the Touring frame first appeared in 1941 with the FL model. It featured a powerful 74-cubic-inch Big Twin engine to meet demands for increased horsepower and torque. Touring models often include fairings, large fuel tanks, and saddlebags, as well as advanced suspension systems for comfort on extended rides. Their wider frames provide stability and support, though they may be less maneuverable. Modern Touring models come with safety enhancements for added protection.
Trike
The Trike is the most distinctive of Harley-Davidson’s frames. The company began experimenting with this design in the early 1900s, introducing its first trike with a sidecar in 1911. The Servi-Car, launched in 1931, was popular for delivering cars to customers and remained in production for 41 years. In 2009, Harley-Davidson introduced a trike for regular riders, featuring two rear wheels and one front wheel for added stability. Modern trikes offer a comfortable ride with fairings to reduce wind buffeting, though their wider frame can make maneuvering and parking more challenging. They are also among the more expensive models, starting at $32,000.
Dyna
Introduced in 1991 with the Dyna Glide, the Dyna frame combined features from the Sportster and Touring models. It featured the Sportster’s lightweight construction with a more powerful Big Twin engine and exposed twin rear shock absorbers. The Dyna’s rugged look, characterized by wide forks and drag-style handlebars, along with its stiffer frame, made it popular for its handling and customization options. The Dyna lineup was discontinued in 2017, replaced by a new Softail lineup.
V-Rod
Launched in 2001 for the 2002 model year, the V-Rod featured a larger liquid-cooled engine developed with Porsche, a fuel tank under the seat, and dual overhead camshafts for enhanced performance. The V-Rod’s unique design and performance set it apart from other Harley-Davidson models. Subsequent models saw changes in frame size and rear tire, making them heavier but more sleek. The V-Rod was discontinued in 2018.