David Cameron has paid tribute to Bradley Wiggins and Chris Froome, who finished first and third respectively in the men's cycling time trials on Wednesday.
Wiggins picked up the Olympic gold medal just weeks after he won the Tour de France.
The Prime Minister said: "It's a fantastic achievement - Bradley Wiggins and also obviously Chris Froome.
"It's a golden moment for Britain and I think it's going to give a huge confidence boost to the whole country."
Mr Cameron also commented on the Wiggins side burn craze, which sees fans sticking fake side burns on the side of their faces so they look like the champion cyclist.
The PM said: "I'm afraid I'm not really capable of it [growing side burns].
"And I'm not going to stick them on either."
"I'll leave that to Boris," he continued.