United Build, Done - not quite

Discussion in 'WBO 2017 BIKES' started by Indyjps, Jan 2, 2017.

  1. Indyjps

    Indyjps

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    Ok, I'll do another. Anything goes, so here goes. Building a new school BMX. I don't think this is much of a contender for the build off, considering some of the motorized stuff I've seen posted, but follow along if you want.

    This bike will be the recipient of the nickel plated cranks and forks, so it all ties together.
    http://www.ratrodbikes.com/forum/in...plating-bike-parts-forks.101335/#post-1021399

    As purchased, pile-o-bike, beat to crap, brush painted, probably shoulda walked.
    20161126_091544_zpsx6dt6uk6.jpg
    UNITED KL40 expert, I think, emailed the serial number to United. The only United parts are the frame and fork, so Im trying to figure out if this was built up from just a frame. Full chromoly frame and fork, short chainstays, long top tube. I was interested to ride one of these with this geometry.

    Started stripping the paint tonight.
    20170102_155439.jpg
    Had a really cool transparent red color under the gooey black

    Heres what I think the bike liked like originally
    united-2014-kl40-expert-bmx-bike-trans-red.jpg
     
  2. Indyjps

    Indyjps

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    Parts so far
    United tapered leg chromoly fork, plated
    Odyssey Tomahawk stem
    Fit bike integrated headset
    Haro 175mm cranks, plated
    New mid bottom bracket
    Came with GT 25t chainring, think I want 28t
    Rims, 9t cassette rear hub, lose ball front hub, on single wall rims, think theyre Framed brand complete rims. Not sure if I'll run them or find some double wall.

    Working on some chrome 8" S&M bars

    Definately need a new seat post, not sure if I'll stay pivotal or not.

    Seat is some special edition, it's on ebay.

    Color, undecided so far, I was planning on just a clean black, but the frame has plenty or war wounds, may go lighter. Have some charcoal metallic, and some silver laying around.
     
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  3. OddJob

    OddJob

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    Motorized schmoterized. This bike's going to be cool. Especially if you can source some skinwall bmx tires for it! Add some cool paint to that well thought-out parts mix and you've golden.
     
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  4. Chad T

    Chad T

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    Cool....love the BMX stuff. Would like to learn more about it.
     
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  5. Indyjps

    Indyjps

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    New skin walls sitting on the shelf. :) Kink Vela 2.1's
    444016_Black_W-_Tan_Sidewall=20_x_2.10.jpg
     
    Last edited: Jan 2, 2017
  6. Indyjps

    Indyjps

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    Oh Man, this thing is rusty. Got the paint off and found this. This is after I wire wheeled a few areas.
    20170102_184314.jpg

    The thought occurred to me, Im gonna relearn how to do tricks that I used to know and I have a ramp park 1/2 mile from my house.

    How would a new school Rat BMX look. Looks like there was chrome or some other plating under the transparent red, some is flaked off, some areas are rusted. What if I just neutralize the rust scuff it all down and clear it all. RAT BMX.

    I know the clear won't last more than a year over bare steel or rust, but I'm gonna beat the heck outta this bike. A nice paint job would get trashed out just as fast. Hmm, repaint each winter or just let it rerust as much as it already is?
     
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  7. Duchess

    Duchess

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    Flat black may be tired and predictable, but it's great because it covers and matches easily and dries before too much stuff can fall in the paint. It would also blend well with rust converter.

    On another note the tradition in Japan (so I hear) for fixing broken ceramic is to mark out the repairs in gold. Maybe something in the spirit of that would be to paint over the damaged sections in a different color every year.
     
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  8. LukeTheJoker

    LukeTheJoker Moderator

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    Sounds cool!
     
  9. scrumblero

    scrumblero

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    it looks sick! I'd just clear it..
     
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  10. OddJob

    OddJob

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    +1 ^ ! Rat BMX! And those skinwalls are suhweeet!
     
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  11. Indyjps

    Indyjps

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    Dumped the frame in oxalic acid last night, it'll take 2 days flipping etc to get it prepped. The rust was scaly, clear definately won't hold to that. See what happens.

    Flat black - I just can't do it. I've been restoring cars for ever and have grown to truly dislike flat black on my own stuff. I've got a lot of spare auto paint and pearls hanging around and love to paint. It'll be shiny, even if it's shiny clear over rust.
     
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  12. Funkme

    Funkme

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    Sometimes simply bikes are the best,you can just ride hard with them...
     
  13. Indyjps

    Indyjps

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    After oxalic acid, whatever plating was on there sure wasn't chrome. It tarnished up but stuck on, might have actually been nickel. Wouldn't that be ironic after all the nickel plating I've been doing. Nickel turns greenish and dull in oxalic acid and thats what happened.

    My visions of a half chrome half rust frame were dashed.

    Took a lot of wire wheeling due to some rust pitting. I etched the pitting with muratic acid to be sure the rust was dead and neutralized.

    Etch primer, surface primer to level the pitting, 2 coats of auto enamel mixed with 1/4 with clear, and heavy gloss hardener.

    Hard to beat gloss black
    20170104_200853.jpg 20170104_201707.jpg

    Layed down very nice. Since the garage was cold even with the heater. I warmed my paint by setting the mixing cup in hot water, warmed my gun in front of the heater and warmed the frame with a heat gun and halogen lamps.

    Simple way to hang bars for paint.
    20170104_201106.jpg
    Coat hanger, then bend the ends into a loop like this so they jam hard into the bars.
    2017-01-04 20.37.36.jpg
     
  14. G-Matt

    G-Matt

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    Looking good back in black


    Sent from my iPhone using Tapatalk
     
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  15. squirreldh

    squirreldh

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    Nice ride! Built a United Beacon a few years back, loved it, but i am getting too old to ride bmx anymore. Recovery time after injury isnt the same as it was when I was younger ;) like the paint, looking good!

    Sent from my SM-G550T1 using Tapatalk
     
  16. Indyjps

    Indyjps

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    I hear ya, 40 yrs old. Got tired of mountain bikes, don't jump well, chain slapping around. Grew up on BMX and racing, they just feel right. Got a ramp park 1/2 mile from my house, United will work well there, I want to try the new school geometry.

    Bought this over the holiday, 2015 redline 24"rim alum frame. I've ridden it every day there wasn't snow packed on the pavement. 15 min sprint even time I get on it. Very light and fast. I need a little taller bar.
    01313_2D7UHiwNIf0_600x450.jpg
     
  17. squirreldh

    squirreldh

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    Yeah, I am 37, I jumped and rode park on my 20, used to race DH, DS, and 4x on my 26" mtbs. 24" cruisers always felt weird to me though. I love the nimbleness of a 20", but they are so unforgiving, i dirt jump these days on my 26" mtb. Its an older, 2007?, Intense 5.5, i have it setup with a shorter stem for jumping and more aggressive trail riding, it also helps to slow down the rebound speed of the suspension, helps prevent the bike from bucking you off the lips of the jumps.

    Anyways, have fun with the build!

    Sent from my SM-G550T1 using Tapatalk
     
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  18. LukeTheJoker

    LukeTheJoker Moderator

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    Painting already! Awesome!
     
  19. Indyjps

    Indyjps

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    Ha, yeah, wife and kids were out of town so I had 2 evenings and knocked out a frame a day. No frame welding this time:grin:, MBBO wore me out. The BMX builds go quick for me, need to let the paint cure out for a few days before doing the bottom bracket. I've tried various presses, bolts etc, rubber mallet actually works the best.
     
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  20. Indyjps

    Indyjps

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    Paint was cured out, went to install new mid bottom bracket is. Bearings are 19x41x11 with a bearing spacer.

    Spindle won't go. My haro cranks have an odd ball 20mm spindle with 19mm ends. Didn't even think to mic it, cause it's such an oddball.

    Ordered some 20x41x12 bearings, they'll hang out a bit of the frame, but it should assemble fine, this frame actually has full diameter ring stop in the bottom bracket to eliminate the need for a bearing spacer, might make something up anyway if I can find some 20-21mm ID tubing.

    On hold until Jan 25, I really like to get the cranks in before doing the front end,etc.
     

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