Carbon fork damage?

motogull

Hi all

I noticed what looks like flaked off paint on the top of my fork when I took the wheel off. It looks like powdery foam. Instinct tells me this is not good. Any tips will be gratefully received.

I would put a pic up but can't work out how to.

Matthewfalle

Instinct tells me it's the paint falling off the metal steerer part of the fork and it's nothing to worry about.

cooldad

Can't comment without a pic. The FAQs tell you how to do it.

sungod

'powdery foam' sounds like corrosion of aluminium alloy

as above, maybe it's a carbon fork with alloy steerer

may be harmless, but if the corrosion is at the cf/al interface it could be a problem: the al corrosion product takes up more space than the metal, over time this could weaken/destroy the bond

post some pics (upload to postimage.org and insert link to image file in your post)

motogull

Here it is:



Thanks for the replies so far.

cooldad

That doesn't look like a carbon fork to me.

crankycrank

From the looks of that bubbling paint I would remove it down to the base and repaint in the damaged area. I have to say I can't tell from the photo if that's CF or an Alu crown. Alu will corrode much faster if it has pockets of moisture trapped under the paint and the paint will likely just keep flaking off further down the fork if left as is.

motogull

Thanks for all replies. I brought it from new in 2013 and recall it being describes as with carbon forks but research indicates carbon blades. I'll get it sorted.