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  1. #1
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    Bike Lock Froze Up-Question??

    I've had a Onguard mini lock for close to 4 years. I never once used any lubrication on it & it never gave me any problems until today. The key would only turn half way! I borrowed a friends graphite lube and eventually got the key to work. My question is this lock okay to use or should I be on the safe side & buy a new Onguard Mini? I always thought the average age of a lock was around 5 years anyways?

    Thanx For Any Responses

  2. #2
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    Seems like rust to me. You might pour oil into all opening an rotate the key to circulate it.

    You might also buy a carbide hacksaw blade just incase. Some say Dremel with a diamond wheel.
    2000 Montague CX, I do not recommend it, but still ride it.
    Strida 3, I recommend it for rides < 10mi wo steep hills.
    2006 Rowbike 720 Sport, I recommend it as an exercise bike.
    1996 Birdy, Recommend.
    Wieleder CARiBIKE (folding), decent frame.

  3. #3
    Senior Member Retro Grouch's Avatar
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    I'm thinking you fixed it.

    If it was my lock I'd continue just as I had for 4 more years, give it another squirt of graphite, and go 4 more.

    Would you buy a new car just because the oil needed changing?

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    Shot of WD40 worked wonders for mine. I'm not a big fan of oil in locks, but who cares if a bike lock drips a little?

  5. #5
    Subjectively Insane MilitantPotato's Avatar
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    Silicon lubricant worked perfect in two of our U-Locks. The U section was binding inside and the key wouldn't turn. Doesn't collect crud or drip either, not much of a residue left over. Plastic/rubber safe also. Graphite can clump up and ruin a lock if it gets wet or is subject to high humidity so I've heard.
    Last edited by MilitantPotato; 05-24-09 at 02:33 PM.

  6. #6
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    A lock smith's shop will carry a lube made for precisely this problem. Put a drop in the keyway and work the key back and forth a few minutes. Also put a drop on the movable bolts inside the crossbar and work the bolts back and forth by opening and closing the lock with the key. Do this twice a year and your lock could outlast you.

  7. #7
    Senior Member Ziemas's Avatar
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    Quote Originally Posted by americanlt2 View Post
    I've had a Onguard mini lock for close to 4 years. I never once used any lubrication on it & it never gave me any problems until today. The key would only turn half way! I borrowed a friends graphite lube and eventually got the key to work. My question is this lock okay to use or should I be on the safe side & buy a new Onguard Mini? I always thought the average age of a lock was around 5 years anyways?

    Thanx For Any Responses
    This is a known problem with OnGuard locks of a few years ago. Between me, my wife, and a friend we've had it happen to four locks. Personally I replaced mine, as I had one that wouldn't open no matter what. If it does happen again try whacking the lock with a heavy object; it should help. This piece of advice used to be on the OnGuard/Todson website.......

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