The idea of a compact, folding bicycle is nothing new, but designer Chang Ting Jen is hoping to take the concept even further with his Backpack bike. According to the specs, a production version would weigh around 12 pounds and fold into a backpack that measured just under 2 feet in length. Naturally, that means that you could pick up and carry your bike around just about anywhere.
![The Backpack Bicycle For Ultra-Portable, Potentially Dangerous Transportation](https://cdn-ak-scissors.b.st-hatena.com/image/square/1c4ceb14dd6d9eb71ec6887c41f2277f9543be78/height=288;version=1;width=512/https%3A%2F%2Fi.kinja-img.com%2Fimage%2Fupload%2Fc_fill%2Ch_200%2Cq_80%2Cw_200%2F743983ef40322777a7049971bf4faeae.png)