There was a lot of film of bicyclists being pulled off their bikes in complete exhaustion having to get massages, rest, and huge amounts of food (mostly pasta) to get ready for the next day's events.
Now it seems that after every race the bicyclists just pop off their bikes and pop down to the nearest Starbucks for a Cafe Latte. Something's wrong with the picture.
Better technology. Better training. Better conditioning.
Today’s athletes have their performances analyzed by the foot to see how they might get a better time on a particular track. 70’s athletes were amateurs compared to what is available today.