Most grandtour wins
Most grand tour wins by riders on the startlist for Vuelta Ciclista al País Vasco 1990.
| Pos. | Rider | Total | Tour | Giro | Vuelta |
|---|---|---|---|---|---|
| 1 | ROCHE Stephen | 2 | 1 | 1 | - |
| 2 | LEJARRETA Marino | 1 | - | - | 1 |
| 3 | PINO Álvaro | 1 | - | - | 1 |
| 4 | CARITOUX Éric | 1 | - | - | 1 |
| 5 | HAMPSTEN Andrew | 1 | - | 1 | - |