Originally Posted by
degnaw
Thanks for the tips everyone. I went ahead and removed a chain link (before and after big-big photos are attached), though I've yet to see if it helps with chain retention.
It looks like your chain was possibly too long before you removed a link. I always had a problem with my chain hitting the chainstay on my old bike when going over big bumps, mostly because the chain was too long. You could also check the FD low set and set the inner part of the FD cage to about 2mm clearance from the chain when it is on the small-small combo, might help keep it from flying off to the inside.