The Bygen Hank Direct Bike proposes an innovative approach to classic space-saver folding bikes – a collapsible frame that slides back and forth based on the usage instance hooked-up to a direct drive system with pedals attached to the back wheel. The Bygen Hank bicycle is produced in Korea, weights less than 22 lbs (that’s less than 10KG), features a sliding carbon fiber frame which helps reducing its size when not in use, a foldable handle to make it even more compact and 20-in wheels. According to Bygen, the elimination of the bike chain results in 7-8% power increase at the same pedaling frequency.
ALSO CHECK the Transporter Commuter Bike With Trunk Wheel,the HMK 561Corbon Fiber Electric Bike and the Bicymple No-Chain Bike.
The Bygen bike will go on sale on the Korean market in October, with overseas release scheduled sometime after and will set you back a whopping $5,000 US (the price will probably lower as distribution widens).