1961 Giro flick

Mamma, dì di mangiare più pasta e poi vai in bici !!

Pretty good coverage, ffwd, mute and turn on some AC/DC. What's going on at the 1:40 mark?

And the score card (https://en.m.wikipedia.org/wiki/1961_Giro_d'Italia)*

https://youtu.be/Yor_Z9zwqcg *