Options to quickly adjust a 1up for different wheel sizes- Mtbr.com
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  1. #1
    mtbr member
    Join Date
    Nov 2017

    New question here. Options to quickly adjust a 1up for different wheel sizes

    I have 1up roof trays on a hitch assembly. I often swap between 2 and 4 bikes. Thats is the easy part. I just bolt on the +1 assembly and done. It gets a little complicated when it comes to bike tire size.

    We have three bikes. A Guerrilla Gravity Trail Pistol - Large with 29x3/29x2.8, Guerrilla Gravity Shred Dogg - Medium with 27.5x2.8/27.5x2.5 and a Trek Superfly 26 with 26x2.3. We also my take a friends 27.5 with 2.4in tires.

    The 29+ fits fine on the largest setting. Same goes for the 27.5+ lite. The kiddos 26in fits wonkey on the largest setting and the same goes for smaller 27.5 tired bikes. I know I can get out the socket wrench and move the wheel block, but I often don't have time or don't have tools when picking people up.

    I was thinking an old school front quick release skewer may work well. That way I could pop the the QR open, spin it off, adjust the place and retighten it.

    Has anyone tried this or something similar?
    Would a stand QR skewer be to long and need to be cut down/retreaded?

  2. #2
    mtbr member
    Join Date
    Jan 2009
    Big wing nuts or a knob of some kind? Probably with a lock washer underneath?


    [WTB] 1987 Cannondale SM800, 20", Pink with airbrushed graphics.

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