Info
| Last name | Fontanelli |
| First name | Sigfrido |
| Nationality |  Italy |
| Date of birth | 01-10-1947 |
| Place of birth | Pulica di Montelupo |
| Passed away | 20-02-2004 |
| Age when passed away | 56 |
| Place of passing | Lastra a Signa |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Vuelta a España (2.HC) | |||||||
| 15-05 | DNS | Stage 19Alto de Urquiola - Miranda de Ebro (104.0km) | |||||
| 27-03 | 11 | Giro della Provincia di Reggio Calabria (1.1) | |||||
| 19-03 | 48 | Milano-Sanremo (CDM) | |||||
| Tirreno-Adriatico (2.1) | |||||||
| 11 |  Standings | ||||||
| 16-03 | Stage 5San Benedetto del Tronto - San Benedetto del Tronto (18.0km) | ||||||
Teams
| Year | Team |
|---|---|
| 1978 | Magniflex - Torpado(until 15-05) |
| 1977 | Magniflex - Torpado |
| 1976 | Sanson |
| 1975 | Filotex |
| 1974 | Sammontana |
| 1973 | Sammontana |
| 1972 |  Van Cauter - Magniflex - de Gribaldy |
| 1971 | Hertekamp - Magniflex |
| 1970 | Hertekamp - Magniflex |
| 1969 | Molteni |
Victories
| This year | 0 |
| Total | 3 |