Especially regarding the drivetrain, almost all bikes use a chain ... off grid in a place like Africa, even the most reliable bikes won’t quite cut it. That’s why a group called World Bicycle ...

It’s probably a good idea to protect the ground underneath your bike with some old cardboard, or something similar, to catch the wet dirty excess that will run off the chain during cleaning.

an open-chain which is typically used on lower-capacity bikes or off-roaders and needs cleaning and lubricating frequently while O-Ring or X-Ring chains use sealed rollers to keep lubricant in place.