THE PUMP TIRE
A San Francisco-based startup named PumpTire has created a self-inflating tire that could very well revolutionize the cycling industry! The hope is to gather enough funding for the prototype to eventually mass produce it. The technology works by using a built-in valve mechanism, spinning motion, and the weight of actually riding the bike to pump air into the tire. Once the desired pressure is reached, the valve that allows air in, automatically closes off. Neat.