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  1. #1
    mtbr member
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    XTR Shadow B-axle movement

    Hi guys,

    Having not yet used a Shadow, I am wondering about the movement I have in my B-axle hanger. The hanger moves very easily in the directions pointed out by the arrows below, especially when moved from a 3 o'clock position towards the bolt stop.

    Check out this video of the issue: http://www.youtube.com/watch?v=9zR4-CFR9UA

    I have replaced the standard hanger with a carbon version, which might have contributed to this. Now I wonder whether this will affect my shifting or not. I suppose that once the chain is fitted, it will keep the derailleur from flapping about, but since I haven't used the Shadow yet, I'm not entirely sure of how the hanger works.
    Attached Thumbnails Attached Thumbnails XTR Shadow B-axle movement-xtr-shadow.jpg  


  2. #2
    mtbr member
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    Yes, that is supposed to happen. SRAM and Shimano stuff both do that. Just run the chain through and adjust.

    http://bike.shimano.com/publish/cont...0RD%20Tips.pdf

    The gap is there to allow adjustment for the b-tension screw. That allows the whole derailleur to move on the screw and adjust based on different bikes, cassettes, etc. Varying amounts of "play" is normal since the b-tensions are probably adjusted different.

    For the record, I have 2 XT shadows.

  3. #3
    Rub it............
    Reputation: frdfandc's Avatar
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    Sep 2007
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    3,783
    Movement on that axle is normal. Install the chain and ride.

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