Did you end up finding some good routes? I just moved back to the area. I have a 11 mile circuit that I try to do every day from Manchester at Inglewood Ave down to Pershing and back up along Westchester Parkway. Fairly short its nice for some daily exercise. You can also take Pershing north to the Ballona Creek trail, or South to Imperial and arrive at Dockweiler Beach.
I've been looking at joining some of the group rides too, pretty sure I could hang with the intermediates but I dont know about the advanced. I'm on an 80s steel frame. I keep a 20mph pace on the flat stretches easily enough, but Manchester has enough hills to bring that down a bit. Makes for a better workout so I'm not complaining though
