This 1957 Harley-Davidson Sportster featured an overhead-valve engine, telescopic front forks, and swingarm rear suspension. Inaugurating a motorcycle engine configuration that has continued unbroken from the Milwaukee motor company ever since.
This 1957 Harley-Davidson Sportster featured an overhead-valve engine, telescopic front forks, and swingarm rear suspension. Inaugurating a motorcycle engine configuration that has continued unbroken from the Milwaukee motor company ever since.
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