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Re-painting a carbon frame?

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Re-painting a carbon frame?

Old 10-05-11, 02:36 AM
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Re-painting a carbon frame?

Hello guys, I'm not sure if this is the correct heading in under which to post... but I suppose it's the most appropriate here.

My buddy picked up a carbon frame from eBay. Weighs 1.634 kg with forks and seat post, cost him $90 so he thinks it was a good deal. I agree. However, the design on the frame is butt-ugly.

So he's thinking of repainting it to a solid color (probably black or white) currently, the frame is blue / white, about 50/50 ratio. Since this is a carbon frame, is there a specific way to paint this? We don't want to sandblast it... and we're reluctant to take steel wool to it or paint thinner to it.. it is a carbon frame after all.

Any tips? Should we just paint over it? Any tips on making the new paint look good?


PS: How does the paint on carbon frames wear? My buddy's using it for commute and it will be parked outside frequently. (Leaned up against posts, etc) Do carbon frames break down easily? Or are they sort of like steel frame where the paint wears off but no structural damage is done?
pkpyro is offline  
Old 10-05-11, 12:09 PM
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Pro bike painter will repaint carbon but all of the pricing I have seen is "time and materials" no menu price.

Painting a carbon frame is like painting most FRP parts that use epoxy resin. Not all epoxy is the same, so chemical stripping is not w/o some research and risk. Wet sanding can be done but one has to be careful not to sand beyond the resin and into the weave. If that happens it can be fixed but not easy.

I think impact damage is the achilles heel of carbon, so "banging around" is to be avoided. Kind of like hitting a boat against a dock, small visible damage can be a much bigger repair.
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Old 10-05-11, 08:59 PM
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- you guys have to use car paint for this. polyurethane car paint, anything else will be just garbage.

- clear coat must be car paint clear coat. 2k polyurethane.

- the paint in there can be sanded lightly with 400 grit set sand paper, I would not sand all the way down to the carbon because probably u wont find better base to paint that what u have in there already, so pretty much sand it to etch the surface.

- apply primer sealer, or primer and then another color to seal the stuff you have under.

- apply the base coat.

- apply the clear.

- sand imperfections and read instructions to how to use the paint.

Good luck.
ultraman6970 is offline  
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