A bikie has been charged after police allegedly found thousands of dollars wedged between his buttocks.

Two members of the Rebels outlaw motorcycle gang were arrested after officers stopped their silver Lexus on Atkinson Road, Taren Point in Sydney's south about 8.30pm yesterday.

Officers said they found 300 ecstasy pills and about $22,000 in cash in the vehicle, and a further $3400 in cash concealed between one of the bikie's buttocks.

Both men were taken to Sutherland police station.

A 24-year-old was charged with supplying a prohibited drug, goods in custody and recklessly dealing with the proceeds of crime.

He was refused bail and will face Sutherland Local Court today.

A 25-year-old man was released without charge, pending further inquiries.