BackPack Bicycle is one of incredible design to the future. As you see, this is actually a folding bicycle that can transform into a bag. You no need to worry if you want to bring it anywhere, when you get tired, you can change the bicycle into a bag and you can enjoy get in to taxi or bus. BackPack Bicycle has a small size, with 60 cm height and 55 cm wide, but when you roll it, the wide can reach 128 cm.
source : tuvie