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  1. #1
    Maglia Ciclamino gcasillo's Avatar
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    Rusting Kryptonite NY3000 U-lock

    I don't have photos at the moment, because I left it at work, but I have a Kryptonite NY3000 U-lock that is suffering from rust. It will open, lock, and close, but it takes a great deal of force to open it once it's closed and locked. I have to bang the U part against whatever I lock my bike to in order to pry it open. It's nigh impossible to open with hands alone.

    I don't know if it's rust, but I suspect it is. Is this common? Any ways to combat this preemptively or to restore a lock like this to normal functionality?

  2. #2
    Postmodern Beauty King
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    I had a lock that was giving me similar problems, but I was still able to pull it apart with my hands. I just dropped some chain lube in the locking mechanism and it's been smoove like butter ever since.
    The wild geese do not intend to cast their reflection,
    The water has no mind to receive their image.
    -- Zenrin poem.

  3. #3
    likes avocadoes
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    heh, like that info would fit here...
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    regular oiling of metal parts that are left out in the elements is generally a good idea.

  4. #4
    LF for the accentdeprived
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    It doesn't have to be rust. Possibly dust and general dirt. Try to flush the cr@p out of it with thin oil.
    Quote Originally Posted by dutret
    Do you deny that you are clueless or do you just think that "moron" didn't need to be tacked on there?
    Bike on flickr and on FGG

  5. #5
    Hello. crushkilldstroy's Avatar
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    Quote Originally Posted by RobbieIG
    I had a lock that was giving me similar problems, but I was still able to pull it apart with my hands. I just dropped some chain lube in the locking mechanism and it's been smoove like butter ever since.

    this is the correct response. do this and your lock will love you.

  6. #6
    Senior Member
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    It irritates me how quickly Kryptonite locks develop surface corrosion here in the swamps of Houston. If the mechanism gets sticky, I flush out bolt area and the key area with WD-40. After that has evaporated and dried, I put in some lock lube from the locksmith shop. Work the bolt back and forth with the key. Soon it is working with silky smoothness.

    Locksmiths sometimes suggest a different lube if your lock will be used in below freezing temperatures. If you ride in ice and snow, make sure your lock uses a "winter" type lube.

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