rec.sport.unicycling · Public discussion

My 4K Custom Frame

Started by Krashin'Kenny · · Last activity · 31 posts · 1,057 views

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rec.sport.unicycling
Published
14 January 2005
Last activity
24 June 2005
Original author
Krashin'Kenny
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31
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  1. No, it didn't cost $4K. I went digging through the scrap pile again and
    decided to build myself another frame. Here it is :
    Krashin' Kenny's Kustom Koker

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    If you ain't crashing, you ain't going fast enough!!!!!!!!!!!

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  2. I filet-brazed the bearing holders for a cleaner look

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  3. And the complete unicycle

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  4. I almost forgot to show how the crown looks as though it was made
    specifically for the Coker tire

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  5. Krashin'Kenny said:

    *I almost forgot to show how the crown looks as though it was made
    specifically for the Coker tire *


    Kwite Kool Koker Krown

    --
    UniBrier - Its Time to Ride

    Steve

    Do your feet smell? Does you nose run?...You may be built upside down.
    -Old joke I found in a Mad Magazine many moons ago.

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  6. Krashin'Kenny said:

    *I almost forgot to show how the crown looks as though it was made
    specifically for the Coker tire *

    Oh! That does look kustom. Nice.

    Are you using a standard width hub or one of the super wide hubs?

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  7. Very nice Kenny! Quite a tranformation from the way I saw it last
    weekend. If they ever have a Junkyard Wars episode where they have to
    build a unicycle, you da man for the job! 😄

    Scott

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  8. Thanks guys 🙂

    John, it has the standard width hub on a stock Coker wheelset

    Scott, you can borrow my old frame to convert that 36" UW if you'd like

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  9. Krashin'Kenny said:

    *Thanks guys 🙂

    Scott, you can borrow my old frame to convert that 36" UW if you'd
    like *


    I may take you up on that as temporary until I have time to build a
    frame. Thanks.

    --
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  10. Nice indeed. Seems like a good way to save some money while having a
    good time in the garage. Did you ovalize the tubes yourself?

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    goldenchicken - .
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  11. Cool Color Coker!

    Most Cokers are black & white. Nice to see some color on one. Do you get
    any tire rub? Most frames flex at least a little, and the bigger the
    wheel gets, the more it can move from side to side. Looks like a great
    fit in that crown, but I'd be worried about a little rub when you pedal
    hard.

    --
    johnfoss - Walkin' on the edge

    John Foss, the Uni-Cyclone
    "jfoss" at "unicycling.com" -- www.unicycling.com

    "Read the rules!" -- 'IUF Rulebook'
    (http://www.unicycling.org/iuf/rulebook/) -- 'USA Rulebook'
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  12. Another very nice frame Kenny. What was the final cost of the parts for
    the frame? Have you thought about using heavier duty bearing housings
    like the 2004 KH or other machined housing?

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  13. goldenchicken said:

    *Nice indeed. Seems like a good way to save some money while having a
    good time in the garage. Did you ovalize the tubes yourself? *

    Yes I did ovalize the tubes myself using a 10-ton press and a couple of
    thick steel plates. It is definately the most cost effective way to get
    a custom frame, I've got about $18 in it 😄

    John,

    There's a little over 3/8" clearance between the tire and the sides of
    the crown. I've only ridden it aroud the shop, but took a couple of real
    sharp turns without it rubbing. If it does ever rub, I can easily
    remove some of the aluminum from the crown for more clearance.

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    If you ain't crashing, you ain't going fast enough!!!!!!!!!!!

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  14. You give me inspiration to make something similar for a 29er. I guess
    that crown (aluminum is it?) comes from a suspended mtb fork. Are the
    tubes welded to the crown?

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  15. goldenchicken said:

    *You give me inspiration to make something similar for a 29er. I guess
    that crown (aluminum is it?) comes from a suspended mtb fork. Are the
    tubes welded to the crown? *

    The crown is indeed from an old MTB suspension fork and is made of
    aluminum. If you do decide to make one of these, there are a few things
    to consider. I've always used crowns that had "1 inch" stanchion tubes
    on the fork legs. The forks that use larger diameter tubes usually have
    a wider gap and will be too wide to properly fit the unicycle hub and
    may cause "knee interference" also.
    Another consideration is the diameter of the steerer tube, which will
    become the seat tube. This frame was made from a fork that had a 1 1/8"
    steerer tube and I had to insert (braze) a shim to fit the standard
    unicycle seatpost (22.2 mm). The crown that I used on my MUni, however,
    had a 1" steerer tube and the seatpost fit inside perfectly.
    Feel free to pm me if you need any more info.

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  16. Well, that's a great looking frame. I like the color, the red/silver
    works out well. I'm thinking on making myself a frame a bit, so i'd
    appreciate it if someone would put up a nice tutorial. I don't really
    have any skills or equipment, so I probably am not going to be able to
    do it, but it would be nice to know how.

    --
    Fuego - Unicycle Ninja

    "Unicycling is more about the center of concentration than the center of
    balance."

    If you don't want us riding on your concrete, don't make it in such damn
    interesting shapes!
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  17. Fuego said:

    *Well, that's a great looking frame. I like the color, the red/silver
    works out well. I'm thinking on making myself a frame a bit, so i'd
    appreciate it if someone would put up a nice tutorial. I don't really
    have any skills or equipment, so I probably am not going to be able to
    do it, but it would be nice to know how. *

    It's really not that hard to do for someone that has some metal working
    experience,if one takes care and starts off with the proper crown as I
    mentioned previously. The bearing holders can be purchased from uni.com
    and any competent welder can attach them to the fork legs after the
    tubes have been ovalized and the recess has been cut into the bottom of
    the tube. First, I ovalized the tubes. Next, I used the bearing cap as a
    pattern and marked the metal that needed to be removed to get an arc at
    the bottom of the tube for the bearing cap to set into. I removed the
    unwanted metal with a die grinder until I got a perfect fit for the
    bearing cap. Then I stood the tubing on top of the bearing holders and
    welded them on, being careful to position them exactly the same. (I made
    a jig to hold them in place while welding). Probably the biggest problem
    that you would encounter would be ovalizing the tubes. I had acces to a
    hydraulic press which made the process quite simple.
    Good luck 🙂

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  18. Kenny, how exactly did you get the tubes to fit in to the crown? Looks
    like some sort of bolt from on top, but i don't see how that would work,
    also where did you get the crown from?

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    Dave

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  19. kington99 said:

    *Kenny, how exactly did you get the tubes to fit in to the crown?
    Looks like some sort of bolt from on top, but i don't see how that
    would work, also where did you get the crown from? *

    I usually get my crowns from the local b*ke shop. Just ask them if they
    have any damaged/worn out suspension forks laying around. It has to be a
    crown that uses "pinch bolts" to attach the legs. Take a seatpost along
    when you go shopping to be sure that it will fit into the steerer tube,
    as this will become your seat tube.

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  20. You do almost as good of work as I do.

    "if your kids aren't embarassed by you then your not unicycling
    enough"

    Try Uniwalking, when you take your dog for a walk and you ride your
    unicycle. This really embarasses my kids.

    --
    fakeingsincerity
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