Police are investigating a fatal collision in Roxburgh Park on Sunday 2 November.
It is understood a motorcycle and car allegedly collided at the intersection of Somerton Road and Roxburgh Drive just before 10.30pm.
Emergency services arrived and worked on the male rider of the motorcycle who is yet to be identified, but he died at the scene.
The female driver stopped at the scene and suffered no injuries.
Police are continuing to establish the exact circumstances of the collision.
Anyone who witnessed the incident, with CCTV/dashcam footage or any information that could assist police is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au.
