Martin318is said:sorry? Are you saying that having lungs that are 7.7Litres isn't incredible? For reference, that means his lungs are 2.2Litres larger than the adult male average of 5.5Litres
They're pretty big, but not that extreme if you ask me. I'm 1.75 m and my lungs are 6.4 litres, and I don't train 5 hours a day at all. Merckx's lungs were 8+ litres
Myth - Cyclists shave their legs for aerodynamic purposes