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  1. #1
    mtbr member
    Join Date
    Oct 2005

    Any way to use XTR BR-965 front caliper on rear?

    I ended up with 2 XTR BR-965 front calipers and was hoping to make them work as a front/rear pair somehow. These are IS mount calipers. It appears that the rear version would have a longer back "leg" to properly mount to the frame. I have seen a lot of adapters, but the IS-IS ones all seem to focus on using different brake rotor sizes and don't seem like they would solve my problem.

    The frame is a 2005 Specialized Epic and the current brakes are Avid Juicy's that are post-mount with IS-Post adapters.

    Anyone know of any adapters that could make this work? If I can avoid having to buy a rear caliper and sell a front, that would be great.

  2. #2
    ups and downs
    Reputation: rockyuphill's Avatar
    Join Date
    Nov 2004
    You can use the front caliper on the rear with a 140mm rotor.

    Or you can use a 160-180mm IS-IS front adapter on the back with a 160mm rear rotor. Those are likely to be hard to find in stock anywhere, but they do exist.
    I'm a member of NSMBA and IMBA Canada

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