Originally Posted by
Scrodzilla
I've seen this problem happen when there's a stiff or damaged link in the chain - or even a damaged tooth on the chainring or cog - but the chain has to be pretty loose to actually jump off.
upon closer inspection of the chain there was a bit of stiffness near the 1/2 link i installed and one really wonky looking link at a different point in the chain. i'll address these issues and see if it helps. thanks for the input.