Most grandtour starts by competitors
Number of starts in grand tours before the start of Giro del Piemonte 1921.
| Pos. | Rider | Starts | Tour | Giro | Vuelta |
|---|---|---|---|---|---|
| 1 | CANEPARI Clemente | 9 | 3 | 6 | - |
| 2 | ROSSIGNOLI Giovanni | 8 | 3 | 5 | - |
| 3 | GALETTI Carlo | 8 | 3 | 5 | - |
| 4 | BORDIN Lauro | 7 | 1 | 6 | - |
| 5 | GREMO Angelo | 7 | 3 | 4 | - |
| 6 | SIVOCCI Alfredo | 5 | - | 5 | - |
| 7 | SANTHIA Giuseppe | 5 | 1 | 4 | - |
| 8 | AZZINI Giuseppe | 4 | - | 4 | - |
| 9 | LUCOTTI Luigi Natale | 4 | 1 | 3 | - |
| 10 | PETIVA Emilio | 2 | - | 2 | - |
| 11 | BRUNERO Giovanni | 1 | - | 1 | - |
| 12 | AIMO Bartolomeo | 1 | - | 1 | - |
| 13 | GAY Federico | 0 | - | - | - |
| 14 | TONANI Alessandro | 0 | - | - | - |
| 15 | SINCHETTO Luigi | 0 | - | - | - |
| 16 | ARDUINO Camillo | 0 | - | - | - |
| 17 | COMINETTI Alfredo | 0 | - | - | - |
| 18 | MORINI Carlo | 0 | - | - | - |
| 19 | GARATTI Giovanni | 0 | - | - | - |