Smallest margin GC wins
Wins in GC with the smallest of margins.
| # | Year | Race | Class | Margin |
|---|---|---|---|---|
| 1 | 1924 | Tour du Sud-Est | 2:22 | |
| 2 | 1929 | Giro d'Italia | 3:44 | |
| 3 | 1925 | Giro d'Italia | 4:58 | |
| 4 | 1933 | Giro d'Italia | 12:34 | |
| 5 | 1928 | Giro d'Italia | 18:13 | |
| 6 | 1927 | Giro d'Italia | 27:24 |