Discover how to make a miniature air pump for inflating a bicycle inner tube using common materials like a syringe, rubber ...
Road bike wheels can be inflated using a number of different methods. Butyl inner tubes, TPU inner tubes and tubeless sealant ...
It was three years ago that we first heard about inventor Benjamin Krempel's PumpTire – it was a prototype bicycle tire that used wheel motion to keep itself inflated. While it was an interesting idea ...