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  1. #1
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    XX1 chain too slack?

    Just installed a XX1 on my 6" travel specialized. Follow the chain length instructions at full travel, but in the smallest cog the rear cage is parallel to the ground. Never seen that in a derailleur before. Here's a pic of the chain on the largest and smallest cogs. Thanks!XX1 chain too slack?-img_1968.jpgXX1 chain too slack?-img_1967.jpg

  2. #2
    Trail Ninja
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    Yes, too slack.

  3. #3
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    I though it was odd. I followed the instructions exactly, so what's the right way? Sram says to compress the suspension then two links of overlap as shown in the pamphlet. I guess I could just remove a few more links. I would never drop off anything big in that gear anyway, good way to throw your chain and rip the derailleur off lol. I would just ask Sram, but there's zero contact info.

  4. #4
    Trail Ninja
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    Normal SRAM instructions (big-big+2 links):



    SRAM XX1 instructions (big-big+4 links):



    Extra visual reference, which might help you determine what's too slack and what's too short:

    Tech Tuesday - Chain Length Basics - Pinkbike

    I believe the reasoning for 4 links on XX1 is to allow for swaps to bigger chainrings, without needing a new chain, knowing that the XX1 RD's [med-length] cage can take up a good deal more slack than what's technically needed on a 1x setup with such a cassette range.

    BTW, what bike is that? Rare to see a Specialized bike with a plate+bolt style rocker.

  5. #5
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    Looks the same as my XX1. I think you did a good job.

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