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  1. #1
    mtbr member
    Join Date
    May 2008

    Avid 185mm adapter bolt sizes?

    Please don't ask why but somehow I lost the 2 bolts to mount my bb7.
    Anyone know the sizes of these bolts? Maybe I can pick one up from Home Depot

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  2. #2
    Reputation: RustyIron's Avatar
    Join Date
    Apr 2008
    I replaced the bolts on my J7 with the longest that would fit. I felt the stock bolts had insufficient thread engagement. The longer bolt I used was 50 mm. The shorter one I cut to fit. I don't know the finished length.

  3. #3
    Suffers From Binge Biking
    Reputation: marsh rider's Avatar
    Join Date
    May 2008
    The actual bracket is about 77.5% the size of the one in the picture. So from approximate measurements, the long bolt should be 50mm/ 2" and the short one is 44mm/ 1 3/4".
    If it ain't broke, fix it 'till it is.

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