caption: The 1920 Harley-Davidson Board Tracker was designed as a racing motorcycle by Harley-Davidson and was destined to compete and board track circuits of the era. Harley Davidson Museum, Harley Davidson Chopper, Harley Davidson Motorcycles, Harley Davidson Street Glide, Vintage Harley Davidson, <PERSON>, Harley Davidson Pictures, Motos Harley, Honda
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