It is probably an M4-0.7. Try a derailleur hi/lo adjustment screw or the B-tension screw and see if that is the right size. My local hardware store has Stainless steel set screws in that size but yours may not be as well stocked.
-Dave J On Tuesday, December 22, 2015 at 3:33:10 PM UTC-5, Michael Hechmer wrote: > > I have a very nice Sugino 48 tooth ring, 7075 Al, ramps & pins, silver and > black. Nice looking. I have had it for a few years but it is still in good > condition, and shifts very well. During a recent inspection, I noticed for > the first time that it has threads for a traditional stud which would fit > between the ring and the crank arm. But I have no stud. Did I ever? > > If you have an old worn ring with a stud, I would like to have it. If you > know a source for that small part, I would like to know too. If you know > what the hole and thread size is, perhaps a longish allen bolt would work? > > If you can't help with that, perhaps you can tell me where the sun has > gone? Its been missing in Vermont for almost a month now. > > Michael > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
