Bad traders

...I'll get Velocio involved...
Beyond banning him (which doesn't resolve the issue), there's not anything he can do to force the issue: "We accept absolutely no liability for any transaction carried out as a result of the use of the communication services provided, including any loss or harm that comes to you or your possessions or any grievance with any other forum member. Your use of the provided communication service is entirely at your own risk, and as per the liability rule we are having nothing to do with it."

...At the end of the day, Jenny doesnt want her money back, she just wants the damn bike that she paid for in full two bloody weeks ago.
That's as may be, but your options are limited: you can drag this out in the hope of a successful outcome, or get your money back and walk away.