The defender promised much after coming up through the club's youth setup, much like English Under-21 International Leoy Lita. However, Hart was confined to the Bristol City reserves last season, making 22 appearances and scoring one goal.
Should Hart accept the trial, he will be joined by Aussie duo Matthew Gordon and Ian Ramsey, ex-Leeds defender Stuart Edwards and forgotten Vetch Field hero James Thomas, who returns to the club on a trial basis in an attempt to prove his ability to Kenny Jackett.