Yes, your bike runs on magic. Yes, its machinations are entirely unknowable. Alright, we're exaggerating, but bicycles can feel that way to a lot of people—even die-hard cycle commuters who mount up ...

The automatic transmission in a typical car or truck handles multiple driving modes, like D for Drive, R for Reverse, or N for Neutral. The system also includes a parking mechanism, often marked P, ...

When you were first learning how to ride a bike as a kid, the bike you were learning on probably didn't have any special bells or whistles on it, aside from perhaps a literal bell on the handlebars.

All bikes with the exception of penny-farthings are geared between the crankset and the rear wheel. Most bikes will include a range of gears, so that you can choose one appropriate to where you’re ...