Dainese takes debut WorldTour win, Sierra scoops sprint after crosswinds split the pack.
The two-time Tour de France champion wanted to start his season on a more low-key note at the lower-tier race in Victoria.
Chris Froome confirms he will race Australia's Jayco Herald Sun Tour in February.
The Australian could become the fourth three-time winner in the race's 61-year history come February
Calvin Watson becomes the youngest-ever overall winner at the Herald Sun Tour