I'll look at it some more before dropping any money. The cables and housings seem fine. That is to say there isn't any drag and I did lube up everything. I don't believe I have ever changed the chain, cassette, or cables on this bike. I do know the rear wheel isn't exactly true and I can see a slight wobble in the cassette when the wheel turns. I also notice there is some play in the actual derailleur where it attaches to the hanger. If I have some time I will try to get some video if that would help.