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  1. #1
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    Help XTR Disc Brakes!

    Alright,

    This is pretty pathetic. I have always been a rim brake guy and I just bought a bike on Ebay with XTR disc brakes. It is pretty embarrassing, but all I want to do is attach the wheels! This bike is already set up, installed and alligned. I open up the quick releases and try to slide the rotor between the pads, but something seems to be holding it up. Do I need to release anything before I try to mount the wheels?

    Any help would be appreciated.

    Lenny

  2. #2
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    Make sure there is space between the pads (I.E. the pistons are retracted).

    Shouldn't be anything else.

  3. #3
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    There is some space between the pads and some play in the pads. Is there a way to retract the pistons. It seems obvious that if you pull the lever, the pistons close the pads. If you let go of the lever they open a bit. Is that enough gap or do I have to retract the pistons in some other way?

    Thanks,

    Lenny

  4. #4
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    I'm not terribly familiar with XTRs, but if they are similar to my J7s (and I don't see why they wouldn't be), I'd use a large flathead screwdriver to gently pry them apart enough to get a rotor between them. You should really never squeeze a brake lever without a pad spacer or rotor inbetween the pads, just a quick FYI also.

  5. #5
    Meh.
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    If you squeeze the lever without something b/n the pads, the pistons push out. Take a flathead or a tire lever and work the pistons all the way back in. Install wheels, recenter caliper, go ride.

  6. #6
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    Thanks

    Thanks to all. I pushed the piston back in and I was in business...

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