Info
| Last name | De Keyser |
| First name | Constant |
| Nationality |  Belgium |
| Date of birth | 20-02-1935 |
| Place of birth | Rillaar |
| Passed away | 09-05-2016 |
| Age when passed away | 81 |
About Constant De Keyser
Constant De Keyser is a Belgian professional cyclist, 81 years old. Active in road cycling.
Monuments
| Date | Rank | Race |
|---|---|---|
| 30-08 | 27 |  World Championship Amateurs (WC) |