Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...

For the past several decades, higher-end bicycles have utilized quick-release axles in their wheel hubs, in order to facilitate fast and easy wheel removal. With the recent movement towards disc ...

It was back in the 1920s that Tullio Campagnolo invented the quick-release axle for bikes. The quick-release axle rapidly replaced screwed bolts on axles and became the standard method used to hold ...