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  1. #1
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    Reputation: dulyebr's Avatar
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    New XTR Cranks *installation tips needed*

    I'm about to install my new 2007 XTR Crankset. I got it off eBay as unused, but installed - might be OEM. So I have no paperwork on how to install it.

    The seller sent the crank with the bottom braket already secured on the crank axle. He included a plastic fitting that fits around the inside of the non-drive arm, and a heavy metal tool that fits into the outside ring on the non-drive arm.
    I'm completely lost . I thought this was going to be easy.

    Can anyone point me to a how to, or give some tips to a DIY nightmare like myself? I hate bringing stuff I didn't at my bikeshop to my them to fix/install. Besides, I'm getting pretty good at wrenching and feel great satisfaction when I can do it myself.

    thanks

  2. #2
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    Reputation: dulyebr's Avatar
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    gotta love Park Tool!

  3. #3
    local trails rider
    Reputation: perttime's Avatar
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    ... and the instructions on Shimano's website ...

  4. #4
    mtbr member
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    did you get the 3 spacers that go between the cups and the frame?

  5. #5
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    Reputation: dulyebr's Avatar
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    Quote Originally Posted by banksd1983
    did you get the 3 spacers that go between the cups and the frame?
    No, but the I emailed the frame manufacturer, and he felt the frame did not need any spacers when using this crankset.

    How do you know if you need spacers or not?

  6. #6
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    Here are the service instructions:

    http://techdocs.shimano.com/media/te...9830600538.PDF

    A diagram about when you need to use spacers is included. The only way you would not use any spacers is if you had a 73 mm bottom bracket shell and an E-type front derailleur.

    Hope that is helpful.

  7. #7
    thecentralscrutinizer
    Reputation: mopartodd's Avatar
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    Quote Originally Posted by dulyebr
    No, but the I emailed the frame manufacturer, and he felt the frame did not need any spacers when using this crankset.

    How do you know if you need spacers or not?
    WHAT!!!!
    2014 Giant Anthem 27.5
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  8. #8
    ups and downs
    Reputation: rockyuphill's Avatar
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    Quote Originally Posted by dulyebr
    No, but the I emailed the frame manufacturer, and he felt the frame did not need any spacers when using this crankset.

    How do you know if you need spacers or not?
    What frame is it?

  9. #9
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    Reputation: dulyebr's Avatar
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    Quote Originally Posted by Shimano Ride Support
    Here are the service instructions:

    http://techdocs.shimano.com/media/te...9830600538.PDF

    A diagram about when you need to use spacers is included. The only way you would not use any spacers is if you had a 73 mm bottom bracket shell and an E-type front derailleur.

    Hope that is helpful.

    Thank you!

    It is a 73mm bottom bracket, but I'm using an XTR M970 Front Derailleur. Does that change anything?

  10. #10
    dude with orange car
    Reputation: Plim's Avatar
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    Quote Originally Posted by dulyebr
    Thank you!

    It is a 73mm bottom bracket, but I'm using an XTR M970 Front Derailleur. Does that change anything?
    I just fifteen minutes ago installed those cranks with the instructions in the .pdf that was linked.

    The xtr m970 comes in both e-type and non-e-type. Go use google or something to see what an e-type front derailleur looks like to tell if yours is like that. If you don't have an e-type derailleur you will need at least one spacer. Look at the right side of the .pdf page to see where the spacer should go. Note that the .pdf refers to e-type derailleurs as "bracket" type.
    This is no time for levity. - Oliver Hardy

  11. #11
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    you will need at least one of the spacers on the driveside, unless you plan on running an eclamp der.

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