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  1. #1
    Senior Member jandops's Avatar
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    I just can't do it

    no matter how hard i try i just cant get the last bit of slippage out of my cog. ive used plenty of grease, ive rotafixed it, ive used cheater bars on the lockring, ive tried everything. i cant ever get it tight enough. is it my cog/lockring/hub set up? ive heard that if the cog isnt thick enough then the lockring wont ever touch no matter how tight it is. could that be the case? i have a DA cog(1/8th) and DA lockring and an iro hub.
    ive done successful set ups on suzue-slps and quando hubs so i know its possible and that im not completely inept.

    does anyone have this exact same set up and no problems? should i get an eai cog? what the hell is the problem?

  2. #2
    dances with bicycle 46x17's Avatar
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    The cog thread area might be too narrow. Either get an EAI cog (wider thread area) or try finding a little spacer that fits betw. cog and lock ring to get it tight. Might work.
    Life can only be understood backwards; but it must be lived forwards.
    -- Soren Kierkegaard

  3. #3
    Team Beer Cynikal's Avatar
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    I would take it to a shop and have them check it out.
    I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC

  4. #4
    explody pup
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    You might be able to get a 1mm spacer at your LBS. I tried searching online but couldn't find anything. It's such a cheap part that I imagine not many online retailers are going to stock it.

    If that doesn't work, then try an EAI cog. I have one on my IRO hub w/ the Formula lockring and no problems yet.

  5. #5
    yo yo yo yo yo
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    iro/da/da combo has served me well... stripped hub?

  6. #6
    worst luck ever ~stella's Avatar
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    i have that exact same setup and no problems here.

  7. #7
    Cornucopia of Awesomeness baxtefer's Avatar
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    sounds like you stripped the hub way back when you first installed it.
    Formula/DA/DA combo here with no slippage.
    {o,o**
    |)__)
    -"-"-

    O RLY?

  8. #8
    don't pedal backwards... MacG's Avatar
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    I ran a dura ace cog and lockring on a Formula hub (which is what IRO hubs are) for a while and had no problems.

    What are you using for a lockring spanner? I personally recommend a Park HCW5 BB spanner. The three-prong end works great on my dura ace hub lockring just by chance. One tooth engages the notch in the lockring, and another makes a fulcrum 1/3 way around the ring. No chance of slipping out of the groove.
    from Minneapolis, with bike love

  9. #9
    Senior Member GetOutOfNJ's Avatar
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    this is going to sound really stupid, but are you sure it's slipping? For a while I though I was stripping out my hub, but I was just unweighting my back wheel so much at times that it totally lost traction.

  10. #10
    Senior Member arcellus's Avatar
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    i second getoutofnj's remark.. i've got the same setup - da/da/iro - and it's never slipped.

  11. #11
    Senior Member jandops's Avatar
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    Quote Originally Posted by baxtefer
    sounds like you stripped the hub way back when you first installed it.
    Formula/DA/DA combo here with no slippage.
    so a hub can be like a little stripped?

  12. #12
    Cornucopia of Awesomeness baxtefer's Avatar
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    Quote Originally Posted by jandops
    so a hub can be like a little stripped?
    that's like saying you're a little pregnant
    {o,o**
    |)__)
    -"-"-

    O RLY?

  13. #13
    Senior Member jandops's Avatar
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    did you think that was possible?

  14. #14
    Armageddon wasted.
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    i didn't think snapping a lockring in two was possible either, 'til i torqued an old surly a little too far with a DA tool and SNAP!
    ...that said, i've had no slippage problems with an IRO hub, DA cogs and the newer surly lockrings (with the additional thread). rotafixed, a 400-lb. gorilla skidding down lombard st. couldn't move them a mm.

  15. #15
    team mascot sr20det's Avatar
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    lockring pliers are what you need.

  16. #16
    i believe in me evanyc's Avatar
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    pliers are definitely the way to go

  17. #17
    Senior Member
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    no problems with an IRO/EAI/DA setup, here.

  18. #18
    THIS SPACE FOR RENT
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    Tangentially related: most shops will go "huh?" if you ask for a track cog spacer, but everybody has bottom bracket spacers, which are the same diameter. Handy for fixing this problem and dialing in chainline. See the sheldon article for uber-precise cog width measurements.
    "I don't buy new frames, it just encourages them."

    -T.G.

  19. #19
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    Check which way your lockring is oriented. I was using a formula lockring with the beveled edge IN (installed by my LBS). Seemingly unfixable slippage problems. Then I flipped the lockring so that the larger flat side faced the cog. No problems since. Not sure if DA lockrings are beveled.

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