I'm a local (Torrance) and ride lennox forest, mugdock, carron valley etc. Carron valley is very much sanitised trails but fairly fast and flowy with a jumpy section.
When you get here give us a nudge and I'll take you out on some of the local trails or give you a lift over to carron valley for a spin (I work in the city). Email in profile.
GMBC guys seem nice enough too, but fairly high standard from what I can see – I hate holding people up so I don't go out with them (not that they'd mind I'm sure, I just hate feeling like the slow guy).
Not sure I'd taxi to the 7 stanes from Glasgow TBH, its an hour and a half to any of the routes by car!