Anyone who rides a bike would agree that flat or low-pressure tires are a drag. But why fiddle with a pump when the tire can inflate itself? San Francisco-based startup PumpTire has invented just such ...

Years ago, PumpTire developed a self-inflating bicycle tire that used the compression of the tire on the ground to suck air inside. Unfortunately, the entire tire had to be replaced once it wore down.

Discover how to make a miniature air pump for inflating a bicycle inner tube using common materials like a syringe, rubber disc, and an air valve connector. This step-by-step DIY guide shows the ...

PumpTire has developed the world's first self-inflating bike tire, which actually takes in air and inflates to ideal pressure as you ride. This won't keep you from ever getting a flat or anything, but ...

Believe it or not, I have actually read complaints from people on cycling forums where they whine about having to pump up their tires once a month. Presumably these slobs never wash the dishes, either ...