By the late-1950s, demand had grown in the American market for a middleweight motorcycle with outstanding capability and versatility. With British bikes surging in popularity, Harley-Davidson countered. For 1957 it offered the XL Sportster, which many consider the first superbike and finest street motorcycle ever built. In fact, the Sportster has been in constant production for 60 years, with six models in Harley’s current lineup.
This is a companion discussion topic for the original entry at https://www.hagerty.com/articles-videos/articles/2017/08/31/60-years-of-harley-davidson-sportsters