Just took my old 1983 12 speed out of mothballs. put on 94 miles this month very hilly here. My question is:
can I upgrade my freewheel with Shimano MF-TZ31 Tourney Freewheel (14-34T Mega 7 Speed)?
Would I also have to upgrade my chain, derrailer, and front gears? currently have Shimano on it. It was not a fancy bike no quick release on rear (just to give you an idea of cost of bike).
I can do my own maintenance but I would need detailed part info not sure what goes with what. any help would be appreciated.