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The World’s Most Expensive Motorcycle

This is the Cyclone Board Track Racer, a 1915 motorcycle that sold for $520,000 in July 2008 at the inaugural Monterey MidAmerica auctions. Yes, what you see here is The World’s Most Expensive Motorcycle. It was an auctioned bike, but I always thought an auctioned Vincent or Brough Superior would be the holder of the…