Some semi trucks use single axles, while others use double or tandem axles. Here are the differences between the two setups and why they matter.

What is a wheel and axle mechanism? A wheel and axle mechanism is a simple device you make when you connect one or more wheels to an axle. They are used to help things move. A wheel is a round, flat ...

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 ...

What’s the difference between a full-floater rear axle, and a semi-floater? More importantly, do you need a full-floater? We’re only talking about rear axles here. Front axle systems, whether solid ...

Thru-axle replacements are not necessarily an everyday need for cyclists, but when you do need one, you may find it challenging to find the right one at your LBS. There are a ton of thru-axles ...

Difficult doorknobs, funnel races, water wheels and pinwheel power! Difficult doorknobs, funnel races, water wheels and pinwheel power! The Curious Crew learns that a wheel and axle consists of a ...

Hundreds of thousands of years before the invention of the wheel, some unlucky hominin stepped on a loose rock or unstable log and—just before they cracked their skull—discovered that a round object ...