Ye olde Tange Levin headset fits that description. I believe they also make a version with a plastic o-ring as well.
https://www.ucycle.com/product/tange-seiki-levin-njs-1-threaded-headset-1656.htm KJ On Monday, January 29, 2018 at 8:04:16 PM UTC-8, lum gim fong wrote: > > Headset for a Rivendell. > > Years ago I had one break. Shimano 600). > Now the ring on my IRD RollerDrive headset also broke. I guess every time > you take out the stem the wedge can snag and break the plastic ring. Bummer. > > See this thread to see what I am talking about: > https://groups.google.com/forum/#!topic/rbw-owners-bunch/JrpqQdduUKo > > Would like to get a headset with no plastic next time. > > > > -- 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.
