Yellowed carbon rim

Started by Macedingle, January 25, 2024, 07:12:48 PM

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Macedingle

Light catching my carbon rim showing a yellowish discoloration. Is this something to worry about?

TidyDinosaur

How old is it? Maybe the resin or clearcoat is yellowing from the sun?

Sebastian

#2
Campagnolo had this issue in their first generations of carbon cranks like 20 years ago. It had something to do with long term exposure to UV sunlight and the resin or the clear coat discolouring. It didn't compromise the structural integrity but it didn't look particularly nice. Maybe it's similar here. AFAIK basically all resins these days are UV resistant to protect the carbon from degrading due to sun exposure.

Macedingle

Quote from: TidyDinosaur on January 26, 2024, 01:15:53 AM
How old is it? Maybe the resin or clearcoat is yellowing from the sun?

These are a month old, not even ridden yet

hahel

Quote from: Macedingle on January 25, 2024, 07:12:48 PM
Light catching my carbon rim showing a yellowish discoloration. Is this something to worry about?

Is it a tubless setup? I'm thinking maybe some leaked tubeless goo in the tire/rim interface?

Macedingle

Quote from: hahel on January 30, 2024, 08:35:17 AM
Is it a tubless setup? I'm thinking maybe some leaked tubeless goo in the tire/rim interface?

Nope, just a TPU inner tube