NOTE : The UK also uses 230v 50 Hz power. However, you will need a UK to AU adapter.
Also, delivery without prime is $96.40, which means this is not a great deal for non prime members.
EDIT : G920 now available with prime free delivery to aus,
https://www.amazon.com.au/Logitech-G920-Wheel-pedals-941-000…
Good deal; note that Logitch recently released a newer model G923; reviews say there is almost no difference between the two