Hey there senor A, you know I was going to say that doing a trip like that takes balls, but that would be terribly inappropriate and technically wrong, so I shant stoop that low ;-).
A quick google search of adventure cyclist Australian Dr Kate Leeming puts paid to "any" overland cycle journeys prerequisite for any balls beyond bearings on a bike
To get started.....
https://worldexpeditions.com/Blog/on...h-kate-leeming or possibly
https://wild.com.au/features/curveba...be-a-positive/
Possibly pertinent to the OP's thread, she has books of some of her various journeys including
https://booko.co.nz/9781925171297/Njinga
https://booko.co.nz/9781920892463/Out-There-and-Back