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  1. #1
    Chamois Dropper
    Reputation: natzx7's Avatar
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    $1.99 SLX upgrade

    I had noticed that my wife's M666 SLX brakes had the same threads in the calipers where the pin goes through to hold the pads as my XTs. I looked up the part, its called a "Pad Axle". Found them online for cheap and ordered some.They come with the little retention clip. This will replace the cotter pin and possibly cut down on the clacking sound that the SLXs have when the pad hits the rotor and moves in the caliper. It took about 2 minutes to change them out. I was somewhat apprehensive that the cotter pin had mashed the threads in the caliper but the new bolts spun right in smoothly. Great 1st wedding anniversary gift, right? right?
    The Shimano part # is Y8JZ98010
    This is where I bought them :
    Shimano XT BR-M785 Pad Axle & Snap Ring
    Attached Thumbnails Attached Thumbnails alt=.99 SLX upgrade-001.jpg  

    alt=.99 SLX upgrade-002.jpg  

    alt=.99 SLX upgrade-004.jpg  

    2008 GT Force
    Go Veg

  2. #2
    Gigantic Hawk
    Reputation: dubthang's Avatar
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    Bolts are always better than cotter pins. Nicely done.
    Gigantic Hawk
    gigantic-hawk.com

  3. #3
    mtbr member
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    Quote Originally Posted by natzx7 View Post
    Great 1st wedding anniversary gift, right? right?
    :

    Not if you want to have a 2nd anniversary.. lol.. Get the girl something gold , earnings or a nice necklace pendant and youll be in gooood shape .. Costco has some really nice earnings and its one of the only places i would trust not to be ripping me off when it comes to jewelry..

    Congrats on the easy-pezy upgrade that really will make a difference-- and on the first year anniversary

  4. #4
    Chamois Dropper
    Reputation: natzx7's Avatar
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    Just kidding. We actually agreed not to get gifts, as we are saving for a trip to Spain in December. I did bring home flowers, though.
    We will test out the bike on our thanksgiving ride to see if it cuts down the clicking sound,but its really no big deal if it doesn't. My XTs don't make a sound so I thought the bolt might help.
    2008 GT Force
    Go Veg

  5. #5
    mtbr member
    Reputation: 006_007's Avatar
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    Nice - now for another buck or so you can upgrade do an SLX mod that Mr.Magura did to give the SLX the free stroke adjustment that the XT also have.

    Shimano Zent

  6. #6
    Ride Everything
    Reputation: GRAVELBIKE's Avatar
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    Bringing this back from the dead...

    Anyone know if this works for Deore (M615) brakes, too?
    GRAVELBIKE.COM - ride everything

  7. #7
    damned rocks...
    Reputation: Aglo's Avatar
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    Quote Originally Posted by GRAVELBIKE View Post
    Bringing this back from the dead...

    Anyone know if this works for Deore (M615) brakes, too?
    Just check if they have the threads in the calipers where the pin goes through.
    If they have you can do it, if they don't you can't. As last resort you can try to tap it.

  8. #8
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    Quote Originally Posted by Aglo View Post
    Just check if they have the threads in the calipers where the pin goes through.
    If they have you can do it, if they don't you can't. As last resort you can try to tap it.
    Not sure I'd bother tapping threads. Never had an issue w/cotter pins on my SLX. The bolts are nicer and I've done the switch, but only after it was apart and needing a bleed/pads.

  9. #9
    Ride Everything
    Reputation: GRAVELBIKE's Avatar
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    Quote Originally Posted by Aglo View Post
    Just check if they have the threads in the calipers where the pin goes through.
    If they have you can do it, if they don't you can't. As last resort you can try to tap it.
    Yeah, I've been meaning to pull the pads, so I'll check the caliper to see if it's threaded.
    GRAVELBIKE.COM - ride everything

  10. #10
    Ride Everything
    Reputation: GRAVELBIKE's Avatar
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    It turns out that Deore M615 calipers are not threaded. In fact, it looks like there's a small steel bushing/sleeve pressed-in to prevent the cotter pin from enlarging the hole in the caliper body.
    GRAVELBIKE.COM - ride everything

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