Wolf Tooth/OneUp 44 cog Sram cassette compatibility?- Mtbr.com
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  1. #1
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    Wolf Tooth/OneUp 44 cog Sram cassette compatibility?

    So, I bought a OneUp 44 cog for my Sram 11spd cluster pried off the 42 cog and the holes on the OneUp 44 cog didn't line up with the pins on the cassette.
    I'm looking at the Wolf Tooth webpage and it says their 44 cog (which looks exactly like the OneUp cog) is compatible with X01, XX1, XG1195 or XG1199 cassettes only.
    The OneUp site says - COMPATIBILITY: SRAM XX1 and X01 (Not compatible with X1 or GX fully pinned cassettes, the largest sprocket on these cassettes are not pressed on but riveted and therefore can not be removed).
    My cassette isn't riveted and I was able to remove it so it must be the 1195/1199 cluster amiright?
    So, anyone else been up this creek?

  2. #2
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    You should see a tab that is wider than the rest on the cassette.

    The backside of your cassette should be labeled on which cassette it is.

    I picked up an Aerozine 44T for my XX1 cassette and it pressed on with no issues. You can see the arrow marking the larger hole that would press into the wide tab on the cassette. The OneUp cog should have a similar marking on it.
    Attached Thumbnails Attached Thumbnails Wolf Tooth/OneUp 44 cog Sram cassette compatibility?-img_20170301_161247741.jpg  


  3. #3
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    As RS said, there's one hole that's bigger than the rest, just like installing a cassette on a splined freehub, you have to align the holes or it won't fit. Did this conversion for a friend, had your issue for a few seconds until I looked carefully and saw the one bigger hole/pin issue.
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  4. #4
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    Just as the replies above state there is a bigger hole for the wide tab. Here's the tools that I used to remove the stock and install the WolfTooth 44t cog. I made the nylon jaws for my pliers a few years ago for another job. You either have a 1195/ X01 or 1199/ XX1 cassette as those are the only cassettes these conversions work on.



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  5. #5
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    Ok, then OneUp must be incorrect in implying that there are only 4 different Sram 11 spd cassettes because on the cluster off the Scout the largest cog is pinned, not riveted, (I removed and replaced it, right?) and all the pin holes are the same size. There is no one hole bigger than the others.

    The markings on the back of big cog are as follows:

    SRAM 10-42T 11SPD XD COMPATIBLE ONLY

    Also found is the #: 38T45571015

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  6. #6
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    If you were able to remove the 42t then it's a 1199 or 1195 cassette. There should be on tab that is wider than the rest. Unless you some how pried off the 42 that was pinned on. That would be bad.

    Do you have a picture of your cassette?

  7. #7
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    The only thing "bad" is OneUps seeming interchangeable use of the term "pinned" and "riveted" to describe the same process.

    Rivets, to my knowledge, have flanges like this....

    Name:  rivet_blind_art.jpg
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    My cassette is pinned, like this...

    Wolf Tooth/OneUp 44 cog Sram cassette compatibility?-p5pb12917485.jpg

    And it works just fine post R & R.

  8. #8
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    This is the back of my 1195 cassette. It has no pins. You can see the wide tab with the notch in the middle. Its under the "LE" in the word compatible. That's the one one you press into the hole with the arrow pointing to it in the cog.

    Wolf Tooth/OneUp 44 cog Sram cassette compatibility?-img_20170430_200952509.jpg

  9. #9
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    Mine's pressed together too. Those aren't rivets.

  10. #10
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    The point is that the riveted/pinned cassettes are not compatible. Pinned as the cogs are joined by pins.

    The 42T on the 1199 and 1195 cassettes are pressed on. No rivets or pins.

    By prying the 42T off the pins will pretty much ruin the cassette. I don't see how the X-cog will work with nothing holding it to the cassette.

  11. #11
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    Wolf Tooth/OneUp 44 cog Sram cassette compatibility?

    The only cassettes that these conversion cog work on are the 1195 or 1199. When you pry off the 42t you expose the steel posts that are machined into the back of the 36t or basically the whole steel block. The posts are rectangular shape in cross section which fit into the wholes in the 44t conversion cog with one being larger for alignment. You then press them together which is why I showed the tools I used for this job. It's literally a 15 minute job with cassette in hand.
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  12. #12
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    By prying the 42T off the pins will pretty much ruin the cassette.
    Nope. Mine works peachy.

    It's literally a 15 minute job with cassette in hand.
    Yup.

  13. #13
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    Quote Originally Posted by tungsten View Post
    Nope. Mine works peachy.


    Yup.
    So you did this conversion to one of the pinned cassettes and not the machined from billet cassettes (1195 & 1199)?


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  14. #14
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    Nope. Pins holes were all same size and aligned differently.

    In the end I bought an e13 TRSr.
    Last edited by tungsten; 05-04-2017 at 11:53 PM.

  15. #15
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    Not sure you'll ever see this given when you last responded but how did the e13 TRSr work for you?

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