1958 Harley-Davidson FL Duo-Glide Pictures
In 1958, the FL got a new frame with a modern swingarm with coil-over shocks. Despite the new rear suspension, however, a sprung seatpost remained standard. Two versions of the Big Twin were offered. The FL's topped out at 55 horsepower, the FLH's at 60. |
 The speedometer got its own chrome stage. |
 The FL Duo-Glide's triple-headlight setup was part of the big-Harley image. |
 "Duo-Glide" referenced the FL's coli-over-shocks rear suspension design. |
 The FL Duo-Glide's "see and be seen" items included chrome fender tips. |
 An advertisement for the 1958 Harley-Davidson FL Duo-Glide motorcycle. |
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