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  1. #1
    mtbr member
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    equilink vs dw-link

    Hello all. This is something probably nobody knows the answer to, but I thought I would bring it up for discussion anyway. I've ridden/demoed 3 dw-link bikes over the past year,
    the last being the Firebird. In every case, I've felt some kind of knee pain after the ride.
    On the firebird, I didn't notice any pedal feedback, though. I was overall fairly impressed with the ride. I did notice on a couple of occasions when lifting the front end over a rock and pedaling out of the saddle a couple of minor instances of knee pain in my non-injured knee. On my last ride I went over the same terrain on my horst link bike and couldn't
    duplicate this no matter how many times I tried. I can only conclude at this point that with the dw-link somehow some of the antisquat force of the chain gets transmitted to your your knee, even though as I said, I wasn't noticing any feedback at the pedals.

    Now to my question:
    Does anybody know if the equilink itself somehow separates the antisquat from the chain?
    In other words, how much would an equilink be using chain tension to affect antisquat ?
    I'm guessing the equilink probably separates this, but I would be skeptical that's its 100 %.
    I'm obviously not very adept at understanding complex suspension kinematics and all,
    but I think I know a little about what's going on with a suspension when i ride a bike,
    by how it feels.
    Anyway, thanks for any input

  2. #2
    hipneck
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    I would bet its....

    something more simple than that, like your positioning on the bike or different geometries that your body isnt accustomed to, but I honestly couldnt say for sure. Ask this question over on the Ibis forum. There are several guys over there that are very knowledgeable on suspension designs.

  3. #3
    mtbr member
    Reputation: pvsd4090's Avatar
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    Feb 2008
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    21
    Quote Originally Posted by zocalo
    Hello all. This is something probably nobody knows the answer to, but I thought I would bring it up for discussion anyway. I've ridden/demoed 3 dw-link bikes over the past year,
    the last being the Firebird. In every case, I've felt some kind of knee pain after the ride.
    On the firebird, I didn't notice any pedal feedback, though. I was overall fairly impressed with the ride. I did notice on a couple of occasions when lifting the front end over a rock and pedaling out of the saddle a couple of minor instances of knee pain in my non-injured knee. On my last ride I went over the same terrain on my horst link bike and couldn't
    duplicate this no matter how many times I tried. I can only conclude at this point that with the dw-link somehow some of the antisquat force of the chain gets transmitted to your your knee, even though as I said, I wasn't noticing any feedback at the pedals.

    Now to my question:
    Does anybody know if the equilink itself somehow separates the antisquat from the chain?
    In other words, how much would an equilink be using chain tension to affect antisquat ?
    I'm guessing the equilink probably separates this, but I would be skeptical that's its 100 %.
    I'm obviously not very adept at understanding complex suspension kinematics and all,
    but I think I know a little about what's going on with a suspension when i ride a bike,
    by how it feels.
    Anyway, thanks for any input
    Read the link labeled " Equilink revealed" or something like that. It is somewhere near the bottom of the first page. There are several linkage engineer big wigs in there arguing about different designs. I will warn you though, it starts to read like a NASA project.
    Last edited by pvsd4090; 05-01-2009 at 09:13 PM. Reason: I misqoted a thread title

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