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  1. #1
    Mulleticious
    Reputation: BigwheelsRbest's Avatar
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    Jun 2007
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    Which Shimano disc brake brackets / adaptors?

    I need to install Shimano XTR trail brakes (M985) onto, at the front, a new Fox Float 34 fork, and at the back, a Santa Cruz Tallboy LT frame. I am using 180mm Ice-Tech rotors.

    Could someone please tell me what type (model number) of Shimano disc brake brackets / adaptors I need?

  2. #2
    mtbr member
    Reputation: likeaboss's Avatar
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    On the front you should use Shimano 180 P/P adapters. Not sure about the rear. I replaced Avid Elixir 5s and the Avid adapter worked fine for my 160mm rear rotors.

    Shimano SM-MA90-R180 P/P Disc Brake Adapter from BikeBling.com

  3. #3
    wyrd bi ful rd
    Reputation: chinaman's Avatar
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    Jun 2007
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    Something like this

    For the front
    Shimano XTR Mount Adaptor Front Post 180mm | Buy Online | ChainReactionCycles.com

    Rear
    Shimano Mount Adaptor Rear Post to IS 180mm | Buy Online | ChainReactionCycles.com

    Assuming your fork has a Post Mount and your frame has an IS mount.

  4. #4
    Mulleticious
    Reputation: BigwheelsRbest's Avatar
    Join Date
    Jun 2007
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    Thanks.

    Glad I asked - I would have ordered the wrong ones

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