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  1. #1
    mtbr member
    Reputation: GuruAtma's Avatar
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    Changing a tire on the road

    My Yuba Mundo has a 15 mm nut on the front wheel and a 19mm nut on the back wheel.
    The way the frame/derailleur crowds the nut on the back prevents me from using an adjustable wrench--I need either a box wrench or a socket wrench.

    I'd like to minimize the hardware I carry with me on the bike.

    Is there such a thing as a box wrench that is 15mm on one end and 19mm on the other I haven't been able to find one.

    Any suggestions?
    我的镀铬光泽的冰柱一样,我骑在镇附近在我的低骑手自行车

  2. #2
    DIY all the way
    Reputation: Mr.Magura's Avatar
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    The easy solution would be to weld one of two wrenches.

    I would probably make a 19mm set of nuts for the front, but that requires some sort of machine shop access.


    Magura

  3. #3
    PRETENDURO
    Reputation: Leopold Porkstacker's Avatar
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    Im not familiar with the Yuba Mundo (I own a Surly Big Dummy)is it possible to just use quick-release skewers or maybe use those hex-head axle nuts instead?
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  4. #4
    biking where I'm going
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    Quote Originally Posted by Leopold Porkstacker View Post
    Im not familiar with the Yuba Mundo (I own a Surly Big Dummy)is it possible to just use quick-release skewers or maybe use those hex-head axle nuts instead?
    The Yuba uses a 14mm rear axle (I think--don't have one of my own), and it is solid. I don't know of a quick-release axle that will be compatible, although I suppose one could find a machine shop and get one drilled and cut to proper length. 14mm is or was a popular axle diameter for trick bikes.

    Ratchet head and a couple of sockets seems a good solution, or, as has already been suggested, take a wrench of each size and cut/weld.
    Getting where I'm going--by bicycle!

    1996 Ryan Vanguard
    2010 Globe Vienna 3 Disc
    2012 Surly Big Dummy

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