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  1. #1
    mtbr member
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    sram eagle advice

    evening....
    i have an s works epic 2015 with xx1 s works crank. what do i need to replace to turn her in to sram eagle?
    i only ask as a cycle shop has attempted to convince me that need the full setup....
    surely i just need a chainring, cassette, rear mech and shifter? which is pretty much everything i know but the big cost is the cranks!
    thanks for any help
    steve

  2. #2
    Ride Fast Take Chances :)
    Reputation: alexbn921's Avatar
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    Cranks will work just fine. They are 9,10,11 and 12 speed compatible. The inner width of a chain hasn't changed in 15+ years.

  3. #3
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    thanks a lot for the response. again i was told to change the chain as it wouldn't fit. appreciate your time

  4. #4
    RAKC Industries
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    Yeap, change cassette, RD and shifter, done. Hell my sons fat bike is 1x9 and running one of my chainrings that I have for my 11s bikes.

    I wouldnt say inner width hasnt changed, ive measured them. But its a very tint amount (11s is slightly smaller than 10 and 9s) that could be nothing more than variation between brands.

    Sent from my SM-G950U using Tapatalk
    Life on a bike doesn't begin till the sun goes down.


  5. #5
    West Chester, PA
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    Quote Originally Posted by steve.biker View Post
    thanks a lot for the response. again i was told to change the chain as it wouldn't fit. appreciate your time
    You DO need to change the chain. The only thing you have that will not need to be changed is the cranks.

  6. #6
    e=mtb2
    Reputation: levity's Avatar
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    Chainring? The teeth on the Eagle chainring have an unusual shape, but a number of us have found that standard 11-speed chainrings seem to work fine. I'm using a Wolftooth direct mount 6mm offset with mine.

    Chain? Dunno, I still using the original Eagle chain and chainlink. The cog spacing on the Eagle cassette is narrower (I believe it's 3.65 vs. 3.8mm). In addition, I think that the Eagle chain is a bit narrower than the SRAM 11-speed chain (5.25 vs. 5.6mm wide). Different brands may vary, so a "narrow" 11-speed chain might work. Also, the 50t cog on the Eagle cassette has some "wild" cut-outs and ramps and a weird narrow-wide pattern that may work best with the shape of the links on the Eagle chain. Maybe someone who has tried an 11-speed chain can respond.


    *EDIT* Found the video with the numbers I had jotted down:

    https://www.youtube.com/watch?v=Saz7g_Idqv8&t=111s

    He provides a good description of Eagle GX.

  7. #7
    Ride Fast Take Chances :)
    Reputation: alexbn921's Avatar
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    you absolutely have to have an eagle chain.

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