Cameron Meyer and Jordan Kerby won gold medals for Australia at the UCI Track World Championships, while Katie Archibald and Kristina Vogel also topped the podium at the Hong Kong Velodrome on Friday.
Australia struck gold in the team pursuit on Thursday and are sitting pretty on top of the medal table with eight in total with two days remaining.
Meyer was part of the team pursuit team that triumphed on day three and returned to be crowned points race world champion for a fourth time on day three.
Five years after he last won a world title in this event, the 29-year-old eased to victory with 76 points, with Kenny De Ketele taking silver for Belgium and Poland's Wojciech Pszczolarski earning bronze.
Kerby won his first World Championship medal in the individual pursuit, and it was a gold for the 24-year-old.
He came out on top in a duel with defending champion Filippo Ganna, who also won bronze in the team pursuit for Italy. Australian Kelland O'Brien filled the podium.
It was a day to remember for Great Britain's Archibald, racing in place of pregnant defending champion Laura Kenny and winning the omnium after battling it out with Amy Cure of Australia.
Archibald was already the owner of Olympic and World Championship team pursuit gold medals and is now the best female omnium rider on the planet.
She won the scratch and tempo races, but Cure's success in the elimination left the pair level on points. Archibald was not to be denied, getting her tactics right in the points race to get the job done.
Cure thought she had silver but had to settle for third step on the podium after being relegated in a sprint on count back, so Kirsten Wild of the Netherlands was runner-up.
Germany's Vogel was in a class of her own in the sprint, producing a flawless performance to beat Stephanie Morton of Australia and land an eighth World Championship gold.
Sarah Lee Wai-sze raised the roof by taking bronze for the host nation.