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PostPosted: Sun Jul 29, 2012 6:55 pm 
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Hi all,

I'm trying to remove paint from an AX Lightness fork as it was previously painted black. I want to see the bare carbon. Do I run the risk of sanding the carbon and affecting the structural integrity of these forks? I assumed it was impossible to remove the paint without sanding any carbon at all. Should I use some kind of paint stripper - It seems Carbo-Lift aren't active anymore - could anyone suggest a good alternative available in the UK?

Also I guess it will need a clear finish on the forks as the bare carbon won't like direct sunlight?

Thanks in advance!


Last edited by CarpetFibre on Tue Jul 31, 2012 8:53 pm, edited 1 time in total.

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 Post subject: Re: Sanding an AX fork
PostPosted: Sun Jul 29, 2012 9:49 pm 
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Location: Cambridge, New Zealand
Ask at a marine shop - they have paint strippers that are formulated to not damage the resin of fiberglass boats.

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 Post subject: Re: Sanding an AX fork
Posted: Sun Jul 29, 2012 9:49 pm 


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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 12:03 am 
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Location: Mountain View, California
http://www.carbolift.com/

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 4:33 am 
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Location: Insjön, SWEDEN
Use a razor blade and scrape off paint, fastest and most friendly for the carbon underneath the paint.

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 8:00 am 
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Razor blading seems to work okay. Sanding works fine also. Carbolift sucks, but there are other products. Do make sure they don't damage the epoxy. Another option is soda blasting.

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 8:12 am 
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I do recommend razoring in front of sanding for a unexperienced person as in this case a weightweenie fork, its easy to sand too much or use too fine paper and be impatient.

Razoring cannot pass one layer of carbon before it gets blunt, and the dust is OK compared to carbon dust.

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 8:40 am 
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Thanks guys for the advice. I'll give the razors a go.


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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 6:40 pm 
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The razor technique is going well. It takes ages but I'm getting through it.

Now, my next question is will this need a clearcoat over the top? Are there any specific products that I should steer away from?

Image


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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 6:52 pm 
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Location: Los Angeles / Glendale, California
Three options:

A) Clearcoat (one that is for outdoor/UV use)
- This can be done at an auto shop if you prep it yourself. They have access to the good stuff that may not be available for sale to consumers depending on local environmental laws, including cleatcoat that is flexible (which is good), any finish.
- Buy a spray can yourself. Short sprays in duration, 6" approx distance from target. Let dry. Light sand with utlra-fine grit. Repeat. Buff finish.


B) Use 303 Aerospace protectant. It works, it is lighter. Needs to be re-applied every so often though.

C) I've heard a wax coat works, but you'll need to re-apply this too.

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 6:58 pm 
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Thanks Prendrefeu that's massive help. I'm quite keen on that 303 protectant, I might give that a go. How often do you think I should replace it - every time I clean my bike perhaps?


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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 7:04 pm 
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That I don't know, you may have to do some digging for that answer. Some people on this site use it, and I think they recoat every 2-3 months (off the top of my head) depending on how often they wash the bike.

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 7:40 pm 
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I recently used the 303 protectant on my stripped Trek frame. The finish is really nice. I plan on reapplying quarterly. Calfee and Parlee use 303 on their nude frames if you're looking for finish examples.

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 10:01 pm 
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I was under the impression nude Parlee frames are waxed and don't need more than one application...

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 Post subject: Re: Sanding an AX fork
PostPosted: Mon Jul 30, 2012 10:10 pm 
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Alternatively you (CarpetFibre) could just call Parlee and see what their recommendation is: wax or 303, and how often.

They know carbon. :wink:

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 Post subject: Re: Sanding an AX fork
Posted: Mon Jul 30, 2012 10:10 pm 


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 Post subject: Re: Sanding an AX fork
PostPosted: Tue Jul 31, 2012 10:51 am 
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What is the line running all the way down the fork just above the ax logo ? Looks like you have taken a strip of carbon off or is that how it was? Can you feel a groove in that line?


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