Suspension pivot question - new builder- Mtbr.com
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  1. #1
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    Suspension pivot question - new builder

    First I should introduce myself. I like to ride rigid bikes. I have never built a frame before but I would like to. I've done some welding and brazing, but my brazed joints are ugly at best, poor on average. I do eventually get it right, but it takes longer than it should.

    I'd like to give building a frame a shot this summer. Initially I figured my first frame would be an excercise in sticking tubes together, but have instead decided I'd work on my brazing with a trailer.

    I will be building a singlewheel trailer and I want it to have suspension. I have almost everything worked out in my head except the suspension pivot. I won't have the clearance issues that a pivot points on a bike frame would have, and do not have access to a lathe. Does anybody have a recommendation for a simple pivot?

    Thanks.

  2. #2
    pvd
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    Simple nylon bushings would be fine for that.

  3. #3
    NEPMCPMBA President
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    igus?

  4. #4
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    Some kind of door hinge with bushings?

    Flex hinge (like on the Slingshot bikes) - a piece from an old ski?

    Something based on a bottom bracket?

  5. #5
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    I didn't really consider the nylon bushings as an option, but I think I'll go that route.

    I really like the flex hinge (a la slingshot bike) idea. I'm not going to use it for the trailer, but I will use it for something - someday.

    Thanks for your help.

  6. #6
    Framebuilder
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    Have you seen a Talyor bike trailer? They had a clever and simple suspension design.
    www.vintagebicyclepress.com/BQ71.html

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