Learn how to build your own simple DIY air pump using a plastic syringe, a small DC motor, and basic materials you may ...

Discover how to make a miniature air pump for inflating a bicycle inner tube using common materials like a syringe, rubber ...

Small size means it’s easy to pack when touring. Valve adapter difficult to fit on some wheel designs. Somewhat difficult to maintain balance when pumping. Otherwise useful for adding a few pounds of ...