I like being thorough and bike mechanics requires a lot of attention to detail. If you don’t get it right the first time, your ride suffers. And the level of competence, time and patience can result in either a good ride or an accident.
This tutorial is about how to install a bottom bracket, which is the point on the frame around which your pedals revolve.
There are different types of bottom brackets.
You’ve got the cup-and-cone.