I have an ancient Shimano 7-spd freehub that needs a home.  It’s from the twist-tooth cog era but works with other Shimano cogs.   The outermost cog is screw-on and 12&13 tooth cogs for that are included.  Photo attached.  Pickup from UNM.  It’s yours if you want it.   32 hole.

Hans Barsun, P.E.

Utilities Division

(505) 277-8996