Yeah, that all makes sense. And oy, some of these guys really are genetic freaks. I vividly remember an article in Velonews in like 91/92 about Miguel Indurain that broke down all sorts of biometrics. It compared various anatomical aspects to a regular human and he was an extreme outlier in every single capacity they measured: heart rate (RHR of 28?), volume of blood pumped, lung capacity, everything. Would love to see that again, actually. My quick Google didn’t have any luck, but I’ll see if it’s out there.