Fitting crown race / fork advice needed

flash

Retrobike Rider
I’m trying to fit a crown race to a 1” threaded fork. I can’t find a tube the right size, is there another way of doing it carefully?
Plus how much threaded fork normally sticks up above the top of the headset lock nut?
Cheers...
 
Re:

Forks upside down in an engineer's bench vice opened a fraction wider than the steerer diameter and the crown race on the steerer resting on top of the vice jaws- if you are confident that you can simultaneously:
a) hold the forks upright in this position
b) aim a hammer onto a block of wood in between the fork blades
c) check that the crown race is going on square and adjust if not.

..And if you are confident that the vice jaws are not opened far enough to allow any part of the crown race to slip in between them.
Plus how much threaded fork normally sticks up above the top of the headset lock nut?
None. There always used to be a lip on headset locknuts to prevent this.
 
Peachy puts the steerer in the freezer over night and warms the crown race in the oven

The laws of physics determine One contracts the other expands making it dead easy
 
The vice method didn’t work. There’s no room in the freezer, so I’m thinking of LBS. probably wiser than some of the methods I haven’t tried yet..
 
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