Joined: Aug 2012
Posts: 301
Likes: 0
From: Auzeville-Tolosane, Midi-Pyrénées
Bikes: Redline Carbon Conquest Team, Colnago X-Lite (Wrecked, Stripped, Wal-Arted), Ibis Hakkalugi (STOLEN!!!), Bianchi Imola, Bianchi San Jose, Soma DC DC
You can find awesome NOS SunTour Alpha or very used SunTour Winner 7 speed freewheels on eBay. They're there, all day, every day. Depending on condition, $25 - $300. Every gear combination you can think of. If your rear mech can handle it, you can find 32s and 34s as well for $15-25 apiece.
I bought a cheap used Alpha freewheel (12-30) this past summer for ~$45 that looked sharper than anything Shimano has ever made.