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  1. #1
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    XX1 on specialized frame 142+vs 142

    Anyone tried out what gives the best alignment with the xx1 cassette. ?The 142+ moves the cassette 2mm out, maybe giving better alignment when chain is in 42t rear but worse in the 10t? and opposite for the 142 standard? does anyone have any experience or issues with either? What is the best combo? given u use the standard s-works crankset with the xx1 spider as stock.
    Thanks.

  2. #2
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    142+ moves cassette 2mm out comparing to what? to 135mm qr? Are you sure? I think not

  3. #3
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    I ran xx1 with Roval Control trail wheels that were regular 142, then I switched to Roval Traverse SL 142+ wheels. The RD had to be adjusted, but I did not notice any differences in shfter nor have issues with either setup.
    2013 Stumpy Evo
    2014 Fatboy

  4. #4
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    Quote Originally Posted by madhead View Post
    142+ moves cassette 2mm out comparing to what? to 135mm qr? Are you sure? I think not
    Yes the 142+ moves the cassette 2mm out compared to the 142. The width of the axle is the same the hardware just take up more space on the axle 2mm, thus moving the cassette 2 mm out. I once tested a xx1 bike and seem to remember that the chain line was more bent in the 42t gear than in the 10t. So moving the 42t 2 mm out would make the chain line better on this bike in the 42t gear. Given of course you keep the front ring in the same place. So my question was not if it works, but what configuration gives the best chain line on a specialized frame with xx1 the 142+ or the 142 roval wheel with a normally spaced s-works crank with xx1 spider.

  5. #5
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    2 mm is a very small difference to chain line. I run a 142 wheelset and a 142+ wheelset and make adjustments on the rear derailleur trim knob. If I remember I change the low gear limit screw, but it usually takes me a few rides until I remember to do this.

    Also the 11-gear spread is the same as the 10-gear one, and as you know there is a wide variety in chainline with each gear chosen, so I can't see the issue.

    Yes, if you are going to SS, but then you can match the rear gear with the chainline of the crank...

  6. #6
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    Ok guys so the standard 12x142 wont work well in a specialized with 12x142+ ?? I want a stans crest set for training only but stans do not have the 142+ axle

    I will have problems adjusting RD before the race and changing to the rovals??

  7. #7
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    Quote Originally Posted by andresco50 View Post
    Ok guys so the standard 12x142 wont work well in a specialized with 12x142+ ?? I want a stans crest set for training only but stans do not have the 142+ axle

    I will have problems adjusting RD before the race and changing to the rovals??
    No and No. A standard 142 wheel will work fine in a 142+ frame (BTDT) - it is the other way around that is problematical. I can change the RD using trim only. Limit screq might also need adjustment. Would take you a minute.

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