Originally Posted by seypat

I don't know if the the RD is indexed or not. One option is a Superbe/Cyclone/BL GT RD and a bigger cluster of the back. Or a Suntour or Shimano MTB RD from that era and bigger cluster. Another option is a 110 BCD crankset with a smaller inner ring. Try the FD first. If it doesn't work, get a triple FD like a Suntour Mountech.