At around 3.30pm on Monday 13 January 2020 a male and a female entered the garage of a home on Keeling Way in South Fremantle.
Once inside the pair grabbed two mountain bikes before leaving the area.
Police have released a CCTV image of a man and woman who they believe may be able to assist them with their investigation.
The man is described as: fair skin, medium build, with short dark hair and a tattoo on his chest, wearing black shorts, sneakers and carrying a grey back pack.
The woman is described as: fair skin, slim build with long dark hair in a bun, wearing a white singlet top, black thongs and carrying a large black handbag.
If you have any information about the identity of this man or details of this offence please contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au. You can remain anonymous if you wish and rewards are available once charges are laid. Please quote Reference Number 9605