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  • Corrosion on aluminium fork crown
  • bigjim
    Full Member

    Continuing my adventures in corroding aluminium on a commuter bike, noticed I could peel the paint off this fork crown with my fingernails. Underneath is corrosion from the salty road water. The white stuff is very soft and scrapes off easily.

    For crown is a high stress area…. do you reckon it’s OK?

    Posted 10 years ago
    cynic-al
    Free Member

    Yes

    Posted 10 years ago
    thepodge
    Free Member

    Yes but stop scraping it off

    Posted 10 years ago
    davewalsh
    Free Member

    +1 for not scraping it off. The aluminium oxide (white stuff) forms a protective layer and prevents further corrosion of the metal underneath.

    Posted 10 years ago
    bigjim
    Full Member

    Oh well I’ve taken quite a bit off already. Was planning to sell the bike, not sure white cheesy crust is a good selling point!

    Posted 10 years ago
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