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  1. #1
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    XTR M980 2x10 chainrings

    I'm looking at getting the 38-26 trail cranks but am a little concerned about actually being able to push the 38. I think I'll be okay but was wondering if I decide I don't/can't deal with the 38-26 are there other chainrings that are compatible with these cranks in either a 1x or 2x configuration?

  2. #2
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    the 38/26 cranks use the standard 104/64 bcd, so pretty much any 4 bolt (104/64) ring will work.

  3. #3
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    Quote Originally Posted by COLINx86 View Post
    the 38/26 cranks use the standard 104/64 bcd, so pretty much any 4 bolt (104/64) ring will work.
    Thanks. That's was I was thinking (and hoping). If I can't handle the 38/26 I can always get some other rings and run a 32/24 or something like that.

  4. #4
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    Im thinking the other way. I have 26/38 but am wondering if shimano has 28/40 available?

    cheers!

  5. #5
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    I'm running 38x24 on my epic shifts great.

  6. #6
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    40 x 28 crank? SLX 2013 has it!

    This may solve your search for a 40 x 28 crank size:

    The 2013 SLX group's low-geared 38 x 24 two-by crankset is good news for long-travel trail riders and 29ers. Two-by options are 38 x 24, 38 x 26 and 40 x 28. Shimano's DynaSys close-ratio 42,32,24 triple

    See this link: Shimano 2013 - Affordable SLX Ensemble Supercharged With XTR Features - Pinkbike.com

  7. #7
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    980 cranks

    Are these cranks available in 172.5? I am not seeing 172.5 cranks on the Shimano website?

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