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Thread: Stiff Link?

  1. #1
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    Stiff Link?

    so i just replaced my shimano chain with another shimano one....not fun. next time it'll be wipperman i swear... this process sucked...

    anyway.. the link that i used the special connecting pin on is stiff.... it's visibly kinked when i pedal the gears with my hands....

    The link is free enough to move by hand, meaning i can bend it back and forth using my fingers, but it still appears kinked when going around the drivetrain. Shifting and pedaling seems fine now when the bike is on the stand, but is this going to blow my drivetrain the next time I put some real force on the pedals? Is there anything I can do besides lube the thing?

    thanks for any ideas.
    Brian.

  2. #2
    Taking "s" outta "Fast" AfterThisNap's Avatar
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    grab the chain with both hands. Put the stiff link between them. Put your thumbs on either side of the stiff pin and start flexing the chain back and forth like you're trying to snap a twig with your hands. It will loosen up the link and smooth out the aciton as it rolls through the drivetrain.

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    Senior Member chis51hd's Avatar
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    I have the same problem with my new Shimano HG-73. It's the link where the pin doesn't have an indentation (the head is just flat and dark colored). I'll try your advice, though.
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    Don't flex the chain sideways! Take your chain tool and be sure the "black pin" is really seated fully. Installed properly Shimano chains have no problems wit a stiff link at the connector pin.

    Also, many chain tool have a "shelf" that allow you to slightly spread the chain link to relieve the tightness with out damage.

  5. #5
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    I concur with Hilly... Gorilla-gripping the chain and twisting it is a last resort "I have a chain tool but don't know what Im doing" approach. Granted, it can be a pain, but yer chain came with install instructions. Flexing a narrow chain will, no matter how much you try to localize the pressure applied, put uneeded and unwanted stress on links that arent stiff, and wont solve the problem of a improperly seated link pin.

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    Senior member Dan Burkhart's Avatar
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    Quote Originally Posted by HillRider
    Don't flex the chain sideways! Take your chain tool and be sure the "black pin" is really seated fully. Installed properly Shimano chains have no problems wit a stiff link at the connector pin.

    Also, many chain tool have a "shelf" that allow you to slightly spread the chain link to relieve the tightness with out damage.
    This is why the LBS has a special Shimano chain tool. Shimano replacement pins should be installed with nothing else. This tool has no stiff link shelf, because when used properly, it doesn't need it.
    Dan

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    Quote Originally Posted by Dan Burkhart
    This is why the LBS has a special Shimano chain tool. Shimano replacement pins should be installed with nothing else. This tool has no stiff link shelf, because when used properly, it doesn't need it.
    Dan
    You don't need a "special" chain tool. I've installed dozens of Shimano HG and IG chains in 7/8-speed and 9-speed form with a Park CT-3 and none of them has ever had a stiff link or broken in service. I recommended the "shelf" as a last resort and better than just grabbing and twisting the chain to loosen the stiff link. You're correct that it shouldn't be needed.

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    you guys were right.. i just pushed the pin back and forth until it clicked into place. problem solved, thanks.

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