CARAD - first bike from Dethleffs
In 2011 a German company engaged in the production Dethleffs caravans, proposes a practical folding bike. The gadget weighs 12 kg, and the folding time (by manufacturer's) is 5 s!
Take a look with the pro
motional material:
http://www2.dethleffs.de/de/carad.php