Date of Birth: 
About Helmut Trettwer
- Helmut Trettwer (born 29 September 1983) is a German racing cyclist.
- He rode for WSA–Pushbikers in the men's team time trial event at the 2018 UCI Road World Championships.
Read more at Wikipedia
See Also
- Famous People's Birthdays on 29 September, Germany
- Famous People's Birthdays in September, Germany
- Famous sport cyclist's Birthdays on 29 September, Germany
- Famous sport cyclist's Birthdays in September, Germany
- Famous cross-country skier's Birthdays on 29 September, Germany
- Famous cross-country skier's Birthdays in September, Germany