Most wins
Which rider has the most victories to their name this season before the start of GP du canton d'Argovie 1990?
| # | Rider | Victories | |
|---|---|---|---|
| 1 | CORDES Tom | 4 | |
| 2 | BOMANS Carlo | 3 | |
| 3 | SØRENSEN Rolf | 3 | |
| 4 | HARRIS Tim | 2 | |
| 5 | LECLERCQ Jean-Claude | 2 | |
| 6 | WEGMULLER Thomas | 2 | |
| 7 | BREU Beat | 1 | |
| 8 | FIGNON Laurent | 1 | |
| 9 | GÖLZ Rolf | 1 | |
| 10 | JOHO Stephan | 1 | |
| 11 | MARTINEZ Manuel | 1 | |
| 12 | STUMPF Remig | 1 | |
| 13 | VAN DER POEL Adrie | 1 | |
| 14 | VITALI Marco | 1 |