rec.sport.unicycling · Public discussion

Seatpost suggestions.

Started by MilkParrot · · Last activity · 8 posts · 246 views

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rec.sport.unicycling
Published
4 November 2005
Last activity
5 November 2005
Original author
MilkParrot
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8
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  1. I need a new seatpost (and I want a new seat). I've managed to break my
    seatpost on my KH '04 trials again. In the same spot. I would
    appreciate any recommendations on a seatpost that would take the heat.
    I pull up fairly hard when I jump.

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  2. Koxx one has a solid looking re-enforced seat post that I think is the
    same size as the kh, and if guys like yoggi are riding on it and not
    breaking them I'd guess they are strong.

    Its probably no tompson but then again you wont need a rail adaptor.

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    Checkernuts

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  3. I'm not sure if the one and the the devil use the same post, but the
    devil is infamous for bending easily, to the extent that it's suggested
    you swap the post as soon as you buy the uni by UDC uk. I don't know if
    anyone is still making reinforced posts on this site with a web between
    the post and the top plate, search for it, there were a couple of
    people with differernt designs who seemed happy to make them for people
    a while back. Or just improve your technique of course.

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    kington99

    Dave

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  4. While reading this thread last night I had an idea. How about custom
    adapter plate for the KH bicycle style seatpost that allows you to
    adjust the angle of the seat without the need for rails. Rails are
    undesirable for a trials uni because the create a finger trap. But
    even on a trials uni it is nice to have adjustability for the seat
    angle.

    The standard welded unicycle style seatposts are also not holding up to
    hard use. They break at the weld. The aluminum versions are cracking
    at the seat plate mount.

    A custom adapter plate for the KH seatpost would solve those problems.
    Make the adapter out of steel so it would be strong and wouldn't suffer
    the cracking problem that the aluminum plates have. The KH seatpost is
    strong so it should avoid the bending problems. You get the best of
    both worlds and keep the weight reasonable at the same time. No more
    rail, adjustable angle, a strong seatpost, and reasonable in weight.

    Then I took a look at Unicycle.com UK and saw this: 'Seat Post -
    Suspension Adaptation' (http://tinyurl.com/8g3yd). Same general idea.
    So the idea isn't new.

    The new and improved KH adapter concept:

    +-------------------------------------------------------------------+
    |Filename: khPostAndBracket.jpg |
    |Download: http://www.unicyclist.com/attachment/10504 |
    +-------------------------------------------------------------------+

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  5. nice idea. It would kinda mess up my support using the brake post, but
    it looks a lot simpler, which is an advantage.

    Seats need to come with stronger bases. This would solve SO many
    problems...

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    Fuego

    "Get off my Property before you sue me!"
    -Morons everywhere.

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  6. Here's a drawing that better shows what parts would be new and what
    parts are the original seatpost parts. The red bit is the new steel
    adapter plate.

    The tricky part is figuring out how to efficiently manufacture
    something like that. And to make it reinforced and strong enough in
    the right areas so it doesn't break. I'm just the idea man. I haven't
    done any engineering on the idea.

    A very similar adapter could be made for the Thomson seatpost.

    +-------------------------------------------------------------------+
    |Filename: KHPostAndBracket2.jpg |
    |Download: http://www.unicyclist.com/attachment/10506 |
    +-------------------------------------------------------------------+

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  7. Or better yet, get the Wallis DeRail CF seat. It comes with an adapter
    that fits a Thompson seat post and a primo rod seat post. The little
    adapter thing for fitting a Thompson seat post looks liek the same size
    as the KH, and if not, Scott can probably make one to work with that if
    desired (though if you're going to go high end like this, go with the
    Thompson).

    [image: http://www.wallisdesign.com/DRbaseCollage2comp.jpg]

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    Gilby
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  8. Gilby said:

    Or better yet, get the Wallis DeRail CF seat.

    Yes, the Scott Wallis CF seat is the top of the line. I just don't see
    it likely to come stock on a KH muni. The idea here is that the
    adapter works with a standard KH seat and could come stock on the KH
    unicycles instead of the rail adapter.

    Maybe Kris is already thinking of this. I'm just throwing the idea
    out.

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