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Great stuff. What happens if you want to upgrade to your usual CK headset? 😉
CK won't fit Dez. Well not my usual £45 used ones at least. Do they even do tapered headsets? I don't think they do semi integrated either, like the top race....
Bit of a bump in case anyone's is interested in the new crown races 🙂
I notice that Hope list a +3mm crown race for their version of this headset - probably more for crown/downtube clearance issues but might solve this problem too.
Pete, is there an O ring on the bottom of the lower cup to fit into the outer groove on the crown race?
Andy, I can't say I've noticed one to be honest. There certainly isn't a separate one, put it that way.... I guess there might be one fitted somewhere, but sorry, I'm not taking the forks off to have a look! 😀
Just got my external bearing upper cup from On One (thanks guys).
I now realise the groove in the On One crown race is a labyrinthine seal with a lip on the bottom of the lower cup as they have this set up on the top cup instead of a rubber seal or o-ring.
The new upper cup will easily sort the problem so just have to knock out the upper cup now and fit it. It has a massive 1.5" bearing which makes me wonder if a 1.5" straight steerer could be used with a different upper cap and compression ring (what is it called again?). I guess this will let them use tapered or 1.5" steerers on their new steel frames with 44mm ID head tubes.
Andy the simple answer is Yes
If you put a top and bottom external cupped head set onto a 44mm id headset a 1.5 inch strait steerer can be used.
Nuke proof make head sets like this currently with extended inner lips but i was lead to believe by brant they will be releasing standard length headsets similar to the cane creek ones in the not to distant future.
back to the tread, does this now mean On One have now come up with a second solution to the issue with a re-worked top hedset section or the extended lower crown race?