I bought this bike second hand recently but failed to spot the delamination on the carbon fork and have been riding on it for a little bit now. I think the origin of the delamination might be little chip in the last picture, but is this amount delamination worrying and what can I do to fix it or in the least manage the delamination.
by douwe001
8 Comments
Interesting.
However, some carbon bikes have aluminum forks. So you’re positive those are carbon ?
The backside photo shows a nick which looks like corroded aluminum underneath.
(Aluminum gets bubbles under the paint sometimes.)
It looks like that might just be superficial paint damage, but it’s hard to tell without physically inspecting the bike. Bring it to your local bike shop, they’ll definitely be able to diagnose the problem and help you fix it.
I would retire that fork.
I’d bet that is probably an alloy fork crown that the carbon blades socket onto. The coating has failed and the alloy is oxidizing underneath. At this point, the paint is probably doing more harm than good by keeping moisture trapped under the surface. It’s likely not to the point of being terribly compromised, but you would want to chip/sand away the bubbled section and oxidation to really see how damaged it is. Then prime and repaint if it’s still okay.
warranty ? It should not do that
Return to China
Yeah, the crown looks very aluminum-ish. Any bubbles around the blades? Did you tap the crown to feel if it’s carbon? It I were you, I would take the chipped area and scrape it off a bit. See what those bubbles are about. It doesn’t look like delamination. More some heat/condensation/oxidation sort of problem.
Just scrape off a bit. Then you’ll know and you can just redo the paint. Shouldn’t be hard to find the color
Personally, I’d recommend taking it to someone with experience in repairing carbon parts to ask their opinion. Carbon fibre can fail internally and looking at it I’d personally just get a new fork but it’s up to you tbh.