Technical & Reference Section > Tech and Restoration

Stuck stem in forks - Help!

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WINI:
I have a set of forks with a stem that is stuck fast after many years of sitting there. Doesn't look rusted at all, just will not budge after days of wd40 treatment and trying to twist the bugger out.
Bearing in mind I only have a crappy hobby vice, does anyone have any tips before I try heat? Both forks and stem are precious so I don't want to resort to the  lump hammer...

Help me, oh masters of metal  :'(

pickle:
I have heard that soaking in Coke can help as well Mark  :-\

Bung the top so you can pour it in and leave to soak away

oldschoolace:
Guessing you have undone the wedge bolt and knocked it down Mark? You could try fitting bars for more leverage but if you twist em too hard you will probably losen them stem from its post  :-\

Bung a pic up  :)

oldschoolace:
There is always the steel rod idea. Shine a torch up the forks (from the crown end) and find the flat spot on the stem shaft. Insert 12mm steel rod or something similar, locate on flat spot and whack away with a lump hammer

WINI:

--- Quote from: oldschoolace on March 31, 2017, 08:37 AM ---Guessing you have undone the wedge bolt and knocked it down Mark? You could try fitting bars for more leverage but if you twist em too hard you will probably losen them stem from its post  :-\

Bung a pic up  :)

--- End quote ---

Funny you should say that Clint, as that's exactly what I did and the stem top came away leaving the shaft stuck in the top of the forks  ::)

I think the wedge is still in there too, slightly twisted although the bolt came out fine. I'll get some pics up when I get home this afternoon  :daumenhoch:

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