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  1. #1
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    Bike rack installation

    Have a question about this new Bontrager backrack II that i picked up. It has detached struts that you're supposed to bolt on yourself and then cut off the excess with a hacksaw. The problem is that the installation instructions don't show how long the struts should be on the bike and I don't want to start cutting until I know for sure. Bontrager doesn't seem to offer any installation directions beyond a series of blurred diagrams on the cardboard the bolts came wrapped in.
    This is the rack I bought. Does anyone else own one who could give me some pointers?

    http://store.trekbikes.com/jump.jsp?...&bShopOnline=1

  2. #2
    Senior Member KungPaoSchwinn's Avatar
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    The front rods ( you called them struts ) should mount on the seat stay near the top,should have one hole on each side,from the pic,i can see the rods can be secured by those 2 fasteners where the rods slide through.
    2009 Trek FX 7.3

  3. #3
    xtrajack xtrajack's Avatar
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    I am sorry, I am not understanding the problem. Of course I could be missing something.
    It looks like a pretty straight-forward mounting set-up.

  4. #4
    Senior Member KungPaoSchwinn's Avatar
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    The OP asked how long those 2 mounting rods should be, once they are installed to the seat stay with 2 bolts, you simply slide the rack back or forth until the rack in level,then secure the rods,may not even need to cut them.
    If the height adjustment is needed, the bottom part of the rack can be turn either left or right for adjustment,then secure that to the drop out.
    Last edited by KungPaoSchwinn; 09-27-09 at 01:44 PM.
    2009 Trek FX 7.3

  5. #5
    xtrajack xtrajack's Avatar
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    Quote Originally Posted by KungPaoSchwinn View Post
    The OP asked how long those 2 mounting rods should be, once they are installed to the seat stay with 2 bolts, you simply slide the rack back or forth until the rack in level,then secure the rods,may not even need to cut them.
    If the height adjustment is needed, the bottom part of the rack can be turn either left or right for adjustment,then secure that to the drop out.
    That looked pretty much like what I was seeing.

  6. #6
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    Fixed

    Thanks!
    Finally realized why they gave me such long rods for the pins. It's how they solved the problem of kicking your pannier off on a pedal upstroke. The curved rods let you place the rack really far back, at least a few inches further back than regular racks. You can do that without having to tilt the rack, you just let the rods build the angle instead of the rack. They're pretty sweet.

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