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  1. #1
    1,520,000 nikos's Avatar
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    What tool to remove lockring to get my cog off.

    I have the freewheel remover tool and chainwhip, but I want to swap my fixed gear cog and put it on another bike. What tool do I need to get the lock ring off?

  2. #2
    Jonnys ilegitimate Father cavernmech's Avatar
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    Either a single notch lockring tool...the Hozan model is the best. Or Hozan lockring pliers...these are the absolute best tool for the job.
    The key to happiness is not in having more, but in developing the capacity to enjoy less.

  3. #3
    in ur ____, ___ing ur ___
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    Hmmm, it sounds like you need some kind of wrench... for a lockring... hm... as far as i am aware no such product exists.

  4. #4
    na975
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    take it to your bike shop

  5. #5
    Spelling Snob Hobartlemagne's Avatar
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    Lockring tool- looks like this. Remember- the lockring is threadded backwards, so
    its 'righty loosey'

    The first rule of flats is You don't talk about flats!

  6. #6
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    I use the single-hook side of the Park HCW-5:

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    Be careful in installing the cog and lr on your new hub. Though it's easy if you know what you're doing, noob ****ups of this job are common and can result in a stripped hub. A search of these boards for "stripped hub" will turn up lots of info on how to install a cog correctly.

  8. #8
    Senior Member shecky's Avatar
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    If you're careful, you could get away with a large pipe wrench. Of course, if you don't have one of those...

  9. #9
    Play all day
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    I use a hammer and tap on a screw driver to take off as well as to tighten my lockring. It's kind of violent, but I just tap as gently as possible. I've been doing it for a few years and have never had any problems...knock on wood.

  10. #10
    A guy who rides bikes Aaron_F's Avatar
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    Quote Originally Posted by Jinks View Post
    I use a hammer and tap on a screw driver to take off as well as to tighten my lockring. It's kind of violent, but I just tap as gently as possible. I've been doing it for a few years and have never had any problems...knock on wood.
    Thanks for the idea, Jinks. I tried the very same thing after reading this and it worked perfectly, no damage to the lockring at all.

    I discovered my Park chain whip wasn't wide enough to fit over my 1/8" cog, though, so that sucked. I finally wrapped the cog in a hand towel, tightened it down in my bench vise just enough to hold it in place, and turned the wheel. The cog loosened with very little effort and no damage to the teeth.

    So, if anyone else needs to get their cog off and doesn't have the right tools, all you need is:

    - flat screw driver
    - electrical tape (3 layers works well)
    - hammer
    - small towel
    - bench vise


    Proper tools are always best, but waiting on tools to ship sucks when you'd rather just fit it and go ride and, if your luck is anything like mine, the LBS will always be closed or out of stock when you need something.

  11. #11
    Yo!
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    I certainly hope you're not employing this method on expensive hubs...

    The HCW-5 is like $12 and available in most shops. Contrary to Rahtx, I prefer the triple toothed side; it doesn't seem to slip as often under heavy torque.

  12. #12
    A guy who rides bikes Aaron_F's Avatar
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    Quote Originally Posted by Yo! View Post
    I certainly hope you're not employing this method on expensive hubs...
    Formulas.

    Like I said, though, little effort was needed and I'm pretty careful in everything I do.

  13. #13
    Fresh Garbage hairnet's Avatar
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    well I doubt very many of us have a vice, so how about rotafix method instead.
    Quote Originally Posted by Scrodzilla View Post
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  14. #14
    Beausage is Beautiful Fugazi Dave's Avatar
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    Hozan lockring pliers are, hands-down, the best option for getting a lockring on/off. One can also file down some big channel-lock pliers for the same effect.

  15. #15
    Yo!
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    Like I said, though, little effort was needed and I'm pretty careful in everything I do.
    I'd just be worried about getting the lock ring tight enough if you skid. You'd probably be able to tap the lockring to where it seems like it's tight enough, but if you pull back hard to skid and it's not 100% tight, you could potentially walk the cog an strip the hub body.

    If you do do this, I'd lay off the skids until you get a proper lockring wrench on there. You'd be surprised how much more turn you can get out of those things when you think they're tight.

  16. #16
    Pants are for suckaz HandsomeRyan's Avatar
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    Don't forget to grease the new cog before reinstalling.

  17. #17
    Daily Commuter TheRealNicola's Avatar
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    Quote Originally Posted by Yo! View Post
    Contrary to Rahtx, I prefer the triple toothed side; it doesn't seem to slip as often under heavy torque.
    I like the tripled tooth side as well, I've slipped a lot using the single tooth.
    Ride safe - Ride fast

  18. #18
    A guy who rides bikes Aaron_F's Avatar
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    Quote Originally Posted by Yo! View Post
    I'd just be worried about getting the lock ring tight enough if you skid. You'd probably be able to tap the lockring to where it seems like it's tight enough, but if you pull back hard to skid and it's not 100% tight, you could potentially walk the cog an strip the hub body.

    If you do do this, I'd lay off the skids until you get a proper lockring wrench on there. You'd be surprised how much more turn you can get out of those things when you think they're tight.
    Like I said in my first post, it's best to use the proper tools.

    I was actually taking the fixed cog off because I don't use it. If I was going to put it back on and use it, I'd definitely invest in the right tools. God knows I won't be happy until I can't get my bike toolbox lid closed.

  19. #19
    asphalt demon Redline927's Avatar
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    Quote Originally Posted by TheRealNicola View Post
    I like the tripled tooth side as well, I've slipped a lot using the single tooth.
    +3. the single tooth side never held once, slipped and ended up cutting my knuckles up on the spokes. Even the triple tooth side isnt that great. I hate the park lockring wrench. horrible.

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