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  1. #1
    Trucking & Extortion
    Reputation: RFXR's Avatar
    Join Date
    Dec 2003

    Tarnished by Degreaser

    The last time I washed my bike off I used a diluted solution of super purple because I was out of simple green. Turns out that may have not been the best idea. The shiny black anodized finish on my stem, and rims, and rear shock all now appear to have a slightly milky/cloudy tarnished finish to them.

    Has anyone experienced this, and is there a chemical/compound to restore the original finish? I hope this is not permanent, and that the degreaser has just left deposits. I tried for a few minutes to clean the stem with a soapy solution but it didnt do much.


  2. #2
    mtbr member
    Reputation: mtbzarg's Avatar
    Join Date
    Oct 2011
    First I must say that sucks this happened to you.

    A degreaser usually has harsher cleaning detergents compared to your typical soap. No surprise to me that it would dull/cloud up the black anodized finish on some of your bikes components.

    You could try to buff out those components with a polish to see if that helps restore the finish some. You may have to chalk this one up as a lesson-learned scenario.

  3. #3
    ready to ride
    Reputation: mattnmtns's Avatar
    Join Date
    Sep 2010
    Yeah, that is a high alkaline degreaser. It will eat up the finish and probably should be used on aluminum. The only thing you can do is try to polish it out. Might try Mother's Polish.

  4. #4
    The Original Suspect
    Reputation: HitmenOnlyInc's Avatar
    Join Date
    Jul 2012
    Yes, stay away from harsh degreasers. I used some a buddy of mine bought at the dollar store and diluted. Did the same thing you describe on my rear hub. I stay away from degreasers in general now. I used to buy Pedros citrus for my chain but I can't find it anymore. Using Park now and that's not bad.

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