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Carbon fiber repair(3 posts)

Carbon fiber repairDaniel Kongs
Jun 2, 2001 8:36 PM
Anyone have any experience repairing carbon fiber? I have a small crack in the carbon fiber aerodynamic piece on a Mavic Cosmic Carbone wheel. I would like to sell the wheels but do not know how to repair the crack.
re: Carbon fiber repairfuzzybunnies
Jun 3, 2001 12:51 PM
Carbon fiber like that isn't really repairable, if you have a metal rim so the crack isn't too vital you could go to the local gameing store and get the minatures glue. Works like rubber cement only for plastic. Partially breaks down the edges chemically so they can bond together but the wheel will always be weak in that area. To than sell the broken wheel wouldn't be a cool thing since you could create a serious problem for someone else. TTFN
Another Takegrz mnky
Jun 4, 2001 10:39 AM
Using the Isocynate glues suggested above is a bad idea. You need actual fiber matrix material to transfer and distribute the load. Might as well use some Band Aids.

You can actually do a decent repair, but you have to have the right tools and know what you are doing. It requires some grinding, epoxy and CF material. Probably not good for you to do this as your first repair job. Try finding someone who works with the material on an almost daily basis - you can really screw it up. Ultimately it all depends on the location and extent of the crack and it begs the larger questions: Why did it crack and who would want to buy it knowing this?

Don't think that you won't have to disclose this - the repair will be noticable. you're probably better off mounting this wheel to the wall than foisting it off on some unsuspecting all around nice person. If you have some one in mind that you don't like, well then...... ;-)