Your Bike Tires May Be Able To Pump Themselves As You Ride
PumpTire uses the rhythmic compression of the rotating wheel to maintain pressure
Despite the impressive array of innovative bikes we’ve covered recently, many economically minded people are cruising around on 20-year-old bikes that suit them just fine. If your bike is that old and has its original tires, chances are that one or both of them continually lose small amounts of air. This process is known as diffusion.