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12 year old carbon bike - Galvanic corrosion? Is this safe?
#1
Hey guys,

Recently bought a carbon bike that's quite old, noticed when I got it home this corrosion at the front deralliuer hanger.

The frame itself is otherwise in great condition, including carbon forks which I have inspected.

Is this a serious structural concern and should I be keeping this bike only on the indoor trainer? Thoughts?


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#2
(11-14-2021, 05:46 PM)Joel Otmar Wrote:  Hey guys,

Recently bought a carbon bike that's quite old, noticed when I got it home this corrosion at the front deralliuer hanger.

The frame itself is otherwise in great condition, including carbon forks which I have inspected.

Is this a serious structural concern and should I be keeping this bike only on the indoor trainer? Thoughts?

I don't think that it should affect the structural integrity of the carbon fiber tube, but I would bring it to a bike shop (or 2) and let them inspect just to see what they say (you should not be charged, or be charged very little for their opinion, but I would throw a couple $ their way for their time regardless; makes for a better business relationship should you require their help in the future). It doesn't look bad enough the cause the derailleur to fall off.
Take care,
Jesper

"I am become Death, the destroyer of bicycles." NJS
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