Lawyers for Eamon Mulgrew, 25, in the Supreme Court on Tuesday argued the president of the local chapter of the Finks outlaw motorcycle gang should be released because the case against him was weak.

Mulgrew is charged with demanding money with menaces in company, intimidating a person as part of a criminal group and breaching a non-association order.

The Crown alleges a man - who the defence called a "wayward member" - had been loaned $11,500 cash by the pawn broker in exchange for jewellery, a motorcycle and a boat earlier this year.

Mulgrew is accused of demanding the items be handed over, then - with two other bikies - threatening the man when he refused.

He was arrested on June 2 while on bail for other offences.

However, Mulgrew's lawyer contended the Crown's case is weak, because it relies on the testimony of the pawn broker who has made conflicting statements and had admitted criminal behaviour himself.

He also submitted than any bail concerns could be addressed through strict bail conditions including a curfew.

But Justice Christine Adamson said she was not convinced the case against Mulgrew was weak, saying the pawn broker's statements detailed stand-over tactics and a willingness from the bikies to use force against him.

"Whilst generally speaking, inconsistent statements are an indication that somebody is not a credible or reliable witness, this is not necessarily the case in that witnesses who may be themselves guilty of committing crimes may be reluctant... for fear, understandably, of incriminating themselves," she said.

"It would appear that the applicant... is prepared to threaten violence to get what he wants."

While acknowledging prison was difficult for Mulgrew, who is segregated from other inmates, she deemed bail posed too high a risk.

Justice Adamson said the crown case depends on the pawn broker's evidence.

"If there is any interference with his evidence, then it is likely that the crown case cannot proceed."

The odds of Mulgrew committing another serious offence, posing a danger to the pawn broker, or interfering with witnesses was substantial, she said.

Australian Associated Press