This is the only 1" Fairweather headset I could find, and it's threadless, not threaded. Is this the headset you bought?
https://global.bluelug.com/fairweather-headset-1inch-matt-black.html To answer your original question, there are a number of 1" threaded headset sizes: https://www.sheldonbrown.com/cribsheet-headsets.html These days the ISO standard is by far the most common and to my knowledge that's what all Rivendells with threaded headsets use. But you can still buy headsets in other standards (most commonly JIS) so it's important to know your frame and fork dimensions when buying one. -Jeremy Till Sacramento, CA -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/f4b1bf61-582a-4788-bd0a-cc3b9039e5e3o%40googlegroups.com.
