Originally Posted by
Bill Kapaun
What cassette are you using?
If a "road" cassette vs "mountain", that might be part of the issue, since Tourney is a mountain DER, expecting the largest cog to be on the "large" side.
Is the B screw properly adjusted?
Apologies, I missed your reply. I am using a 7 speed shimano cassette. Not 100% which one but it is a road cassette.
I'll fiddle with the B screw, thank you
Andy