Originally Posted by
jakecycles
I have my grandfather's Free Spirit bike lying around here. I know its nothing special but I was think about replacing the tires, getting a new handlebar and cleaning it up. Anyone think its worth it? It still runs decent, I don't know if its time to throw it out though.

Rear derailleur looks like a solid-wire Shimano Positron. If it shifts at all, just leave it alone. New cable for it might be NLA.