My 70s german Hercules "Klapprad" folding bike. with a few minor modifications and upgrades it turned into a very nice little bike. And the doumatic-kickshift is just a great piece of engineering
20" Hercules Klapprad Oldtimer Vintage Torpedo Automatic Retro in Berlin - Hohenschönhausen | Herrenfahrrad gebraucht kaufen | eBay Kleinanzeigen