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  1. #1
    11FALLINE's Avatar
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    Looking to fab Riva style handle bar mount. One question?

    I'm looking to fabricate some bar mounts like these riva's from scratch. Can anyone who has these tell me if there is any reason why the upright tubes are offset forward other than to incorporate the tube clamp feature better? Any interference you can think of if they were centered and not offset? My design is going to be welded with no use of tube clamps. Thanks

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  2. #2
    Fat Man, Little Boat Region8Ultra250X's Avatar
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    whats your end game with this? to make your owns steering system or just be able to run aftermarket bars on the ultra? if it's the latter of the two, the 15F steering neck or the 310R steering neck bolt right up to the steering plate on the ultra.

  3. #3
    11FALLINE's Avatar
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    Yes I plan on using renthal fat bars. My main goal is to do it cheap. I'm aware of the other options but I can fab the main part of the riser basically for free.

  4. #4

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    IMO the offset is to get the bars back closer to you and or to be able to make them "lower". My umi setup is taller and more forward but clears everything. My riva setup is much lower but farther back like i said. Helps it clear the plastics

  5. #5
    11FALLINE's Avatar
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    Quote Originally Posted by MWHC View Post
    IMO the offset is to get the bars back closer to you and or to be able to make them "lower". My umi setup is taller and more forward but clears everything. My riva setup is much lower but farther back like i said. Helps it clear the plastics
    I do plan on going fairly high with the bars/riser combo but of course clearance has to be a concern always. What I can't really tell from the picture is if the top is offset further back than the base. Or is the bar holder centered over the nut at the base?

  6. #6
    11FALLINE's Avatar
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    Here's what I came up with. Test fit felt real good with the new fat bars. It's nice and high like I wanted at about 12" from base to bar mount center.


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  8. #7

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    Looks sweet!

  9. #8
    looks good...

  10. #9
    "just sayin".. jetdave56's Avatar
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    Looking to fab Riva style handle bar mount. One question?

    Great design .. You made this with an Aluminum alloy like 6061 ?

    You might be on to something big here or is this just for your needs , do you plan to mass produce these what price did you have in mind as Riva are $400,It would be great to owners to replace the sloppy steering mount on the Ultra 250/260/300 looks good too though the height is set .

    Only issue I might see is the mig or tig welding at the base ,sure normal recreational riding should be fine but holding on thru rough seas a 1000 lb machine pounding and coming off waves ..hmmm

  11. #10
    11FALLINE's Avatar
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    Thanks guys. This is actually all 304 stainless steel and the pictures above are just tack welded for a fit check. Below are pics of the final full tig welds. In my professional opinion i think the M8 hardware mounting it to the ski would fail before this does. And you are right it would not be adjustable.

    I could easily mass produce these where i work. The only issue of course would probably be liability of selling a steering component. Lower quantities would be expensive, so a group buy would be best. For 10 of them, I could get the price below $200 including the nice finish and modified shorter ss hardware for the Protaper bar mounts, but not including the bar mounts themselves which are $35. At quantity 20 though the whole thing including bar mounts would be about $200. Not sure if people would be interested in it at that price but maybe.
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