Collapsible or folding bikes are amazing from an engineering perspective. The Bygen Hank Collapsible Bike takes the portable bike to the next level with a direct-drive pedal system and more. Most bikes, folding or not, tend to have a chain. In the case of a collapsible/folding bike it limits how small things can go and also adds maintenance and mess issues. The Bygen Hank Bike uses a direct drive gear system to get power to the rear wheel.
The Bygen Hank also collapses in a clever sliding system that needs just one touch to activate. This sliding frame system also allows different sized riders to pick the exact bike length. Unfortunately there isn’t an ETA or price announced as of yet.