Originally Posted by
jpdesjar
must be those darned rd cranks...just kidding
it could be your old chain ring and cog...look at the teeth do they look like sharkfins?
where does the chain sit on the teeth as well? perhaps the chain is old and worn
I had this problem when I 1st converted my bike. It was due to a very worn chainring.
Also upgrading from 3/32 to 1/8 inch chain/chainring/cog seemed to help in my case.