This is one great invention that will keep your bike out of the hands of thieves. The invention breaks down the inner rim of the wheel making it unstable with wonky wheels that is impossible to ride. Carmond Lai came up with the Anti-Theft Collapsible Bike Wheel. All you have to do is place the key into the wheel, which will collapse the internal dial and lock the wheel into the broken position. When you are ready to ride your bike, just reverse the process.

Via: Yanko Design