bikie gang leader has been arrested and charged with supplying a prohibited drug in western Sydney.

A robbery last July of a tattoo shop in Newtown led police to finding 448 grams of amphetamine in a plastic bag in a St Marys unit in August.

Police said forensic analysis of the bag and drug identified a 26-year-old man, alleged to be a Nomads Outlaw Motorcycle Gang vice-president.

Advertisement: Story continues below
He was arrested and charged with supplying a commercial quantity of a prohibited drug on Wednesday.

He was refused bail and remanded in custody to appear at Penrith Local Court on March 25.