Of course they dope.
It is a HUGE advantage for an oldster-and the Testosterone is so widely available,and legal-of course they do.
And of course you won't suspect them-doctor pilot etc- duh safe bet they won't brag about it-smart enough to not get caught.
Testosterone has a double benefit
1)More and stronger muscles-sprint climbing
2)Allows you to train harder recover more quickly-(giving an endurance advantage) a BIG advantage for an oldster
Those former PROs-doped then-dop now.
Of course the best guys are physically gifted-train hard-but there are plenty of gifted guys who train hard-the PEDs-separate them
And the EPO- right to the edge- 50 hct or so-so obvious and advantage-why wouldn't they-
compulsive bunch-ride 'till they puke-drive to win-
Yeah-the winners-PED