Debutants
Henri Dorgelo is the youngest debutant in Herald Sun Tour in 1990. There are 4 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | DORGELO Henri | I.O.C. - Tulip Computers | 26y + 49d |
| 2 | BERNARD Jean-François | Toshiba | 28y + 170d |
| 3 | BÖLTS Hartmut | Team Stuttgart | 29y + 127d |
| 4 | SOUTHARD Mark | Alpine Colorado | 29y + 309d |