Originally Posted by
ThermionicScott
As for the bolt, you might have to buy a donor RD from the same time period, or just buy another 7-speed compatible RD. There are lots out there that would work.
If I buy a replacement RD, recommendations on whether I should buy the same model (seems there are plenty of used ones on eBay, roughly $25), or upgrade to a used Deore (more like $40 on eBay), or get a more modern low-end 7-speed such as Tourney?