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  1. #1
    mtbr member
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    Nov 2008
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    Avid disc brakes on Trek 4300

    I have a 2004 trek 4300 without disc brakes. I wanna put discs on it. I am going for the Avid BB7 with 160mm rotor, but don't really know which mounting brackets do I need for my frame, somebody told me I need an extension bracket or something like that, can anyone help me pls?

  2. #2
    Former Bike Wrench
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    Join Date
    Jan 2007
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    15,985
    You will need this for your frame
    http://cgi.ebay.com/Trek-Rear-Disc-B...03105008r30751

  3. #3
    mtbr member
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    Thanks a lot

    Thank you so much for your help mtnbiker72, exactly what I needed to know.

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