I'm rebuilding an S-10-S from '77 and want this to be my sweetest ride. It is likely my last rebuild so I want to do it right. I have located and purchased NOS Suntour Superbe front a rear derailleurs. They came out in '77 so they are period correct for the bike. I have a line on some Superbe brakes that are lightly used and hope to close that deal soon. The front chain rings are in good shape and I think they are Suntour Cyclone so I plan to keep them. I will likely need a new headset, freewheel and chain and I want something of comparable quality to the Superbe. Any suggestions?