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  1. #1
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    XX1 vs X01 vs X1 explained

    I was doing some research to discuss this with a friend and figured I'd type it out for MTBR in case it's useful to anyone who is curious.

    XX1:
    Shifter - carbon cable cover and shift lever, adjustable shift lever
    Derailleur - carbon cage, ceramic bearings
    Crank - carbon arms
    Cassette - machined from single block of steel + alu 42T cog

    X01:
    shifter - no carbon parts, still has adjustable shift lever
    derailleur - offered in both carbon and aluminum models, sealed cartridge bearings instead of ceramic
    crank - different BCD from XX1 (if using the spider), limited to 30T smallest ring (again, if not using direct mount ring)
    cassette - black coating that is said to improve durability, otherwise the same

    X1:
    shifter - aluminum everything, no adjustable lever
    derailleur - aluminum everything
    crank - aluminum, comes in 3 different models (1400, 1200, 1000) with different weights/levels of aluminum
    cassette - smallest 3 cogs machined from single block of steel, next 7 cogs pinned together (steel), aluminum 42T cog

    Most of the weight difference between X1 and X01 is in the crank and cassette. There is very minimal weight difference between XX1 and X01. I hope I didn't miss anything and this benefits someone.

    Claimed weights here:


    XX1 vs X01 vs X1 explained-p5pb10899985.jpg

  2. #2
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    The X1 may have steel limit and b tension screws while the X01/XX1 has aluminum. That might be nitpicking though.

    I see that you have the XX1 RD as 220gr. I'm seeing it as ~241gr.

  3. #3
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    Quote Originally Posted by RS VR6 View Post
    The X1 may have steel limit and b tension screws while the X01/XX1 has aluminum. That might be nitpicking though.

    I see that you have the XX1 RD as 220gr. I'm seeing it as 241-242gr.
    I pulled that chart from another website... if it's 241-242 that makes more sense, since I couldn't imagine the only difference between XX1 and X01 being ceramic vs steel bearings making a 30g difference.

  4. #4
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    I remember looking up the weights and prices between XX1 and X01 when X01 first came out. The weights weren't that far off...and neither was the wholesale pricing. XX1 and X01 seem to be more smoke and mirrors than actual differences. Small material differences to make X01 a bit heavier than XX1 so they can lower the price a bit.

    The X01 crank and XX1 look to be the same crank with the same DM chainring...but the XX1 has a higher MSRP. Maybe the XX1 graphics cost more.

  5. #5
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    Pinkbike also has a review of the GX drivetrain - even more affordable then the X1 stuff with very little performance difference.


    SRAM GX Drivetrain - Review - Pinkbike

  6. #6
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    Quote Originally Posted by 006_007 View Post
    Pinkbike also has a review of the GX drivetrain - even more affordable then the X1 stuff with very little performance difference.


    SRAM GX Drivetrain - Review - Pinkbike
    Yeah I saw that. The best bang for buck with weight might be X01 crank/cassette and GX everything else.

  7. #7
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    The XX1 shifter is a bit different than the X01, and has a different shift feel. I've ridden both a lot, and I prefer the XX1 shifter by a very small margin. Seems to have a bit more defined click between gears.

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