Each team sent a squad of ten riders, which meant that the race started with a peloton of 90 cyclists.

[4] From the riders that began this edition, 70 made it to the finish on the Passo dello Stelvio.

[5][6][7] There were three main individual classifications contested in the 1975 Giro d'Italia, as well as a team competition.

The general classification was the most important and was calculated by adding each rider's finishing times on each stage.

Most stages of the race included one or more categorized climbs, in which points were awarded to the riders that reached the summit first.

[9] The leader wore a blue jersey with colored vertical stripes ("maglia azzurra con banda tricolore verticale").