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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 06-05-09, 10:55 AM   #1
JMonday
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Fork crown race got powder coated

so i just got back from the powder coat shop to pick my bike up and noticed they powder coated the fork crown race. Is this a big deal? If so, what should I do?
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Old 06-05-09, 10:58 AM   #2
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Is this a big deal?
Yes it's a big deal.

If so, what should I do?
Have it removed and get a new one pressed on.
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Old 06-05-09, 11:00 AM   #3
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did the inside of it get powdercoated?
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Old 06-05-09, 11:25 AM   #4
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did the inside of it get powdercoated?
Maybe I'm off on my terminology, but I didn't think the fork crown race had an "inside". It's a bearing race that's pressed to the crown of the fork, and the only exposed surface is the top where the bearings will roll.

If the frame and fork were separated (as they should be) when it was powdercoated, and the crown race wasn't masked off, my initial concern would be to also check the condition of the pressed cups (which were probably left in during the powdercoating) to find out if the bearing contact surfaces of those got ruined as well.
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Old 06-05-09, 12:13 PM   #5
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the frame and fork were separated during the process. I took the headset cups off before i gave it to them. They wrapped the whole steer tube and didn't wrap the crown.
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Old 06-05-09, 12:30 PM   #6
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Automotive gasket remover will remove powder-coat. Just spray some on a q-tip and apply it to the part that needs to be bare. It is corrosive as hell (duh) so be careful, only have two beers before applying it....
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Old 06-05-09, 05:25 PM   #7
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Quote:
Originally Posted by CliftonGK1 View Post
Maybe I'm off on my terminology, but I didn't think the fork crown race had an "inside". It's a bearing race that's pressed to the crown of the fork, and the only exposed surface is the top where the bearings will roll.

If the frame and fork were separated (as they should be) when it was powdercoated, and the crown race wasn't masked off, my initial concern would be to also check the condition of the pressed cups (which were probably left in during the powdercoating) to find out if the bearing contact surfaces of those got ruined as well.
doh, misread OP. I'd just clean up the bearing contact surface real nice-like.
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Old 06-05-09, 10:38 PM   #8
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good news. i took some sand paper to it and it worked.
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Old 06-06-09, 12:06 AM   #9
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good news. i took some sand paper to it and it worked.
superfine metal polishing grit, I hope.
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Old 06-07-09, 02:50 AM   #10
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superfine metal polishing grit, I hope.
^^^X2

I think it'd be pretty ridiculous to actually know enough to check and worry about that, but then use some gnarly 320 on a polished bearing surface (which it seemed like he knew it was.)
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