1980 Mongoose Motomag 
#1 2010-04-15 5:33pm
- BillyBad
- Pro MemberThe Rat King
- From: Portland, OR(landofnosunshine)
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1980 Mongoose Motomag
1980 Mongoose Motomag
Bad A$$ Bar Hopper!
I have wanted to build this ever sinse I got my first late model bike. I looked into finding just the right frame for this and came across this champ. some one left it for dead outside after trying to file off the serial numbers. It was in just sick Raunchy, Rusty shape that I found perfect for modification! After getting out the seat post that was stuck , I hand machined the rear Drop outs to 14mm to accept the late Eastern hub. I then had to build the rear wheel, came out sweet for my first build and rolls true. Now this King rolls with a 28/9 drive train. Finished off this sick Rat with some Hand built Big Gulp bars with the brake lever welded on in the old school 70's Race style. Took it for a brake in ride to see if this would make it. Man what a sweet ride, SK8 park tested and neighborhood cruised! Best part of all of this build........100% used parts used!
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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#2 2010-04-15 7:15pm
- mongoosedrummer
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Re: 1980 Mongoose Motomag
Ha! Love it BB! Nobody has the custom retro Goose vibe that you do. Fearless and always original.
You got your own style my man! Always cool to see your rides and read your words... Rock out! 
A "Squonk" is like a Mongoose only much harder to find...
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#3 2010-04-22 8:02pm
- BillyBad
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Re: 1980 Mongoose Motomag
You all will see this at this summers show fo shure!
Last edited by BillyBad (2010-04-22 8:02pm)
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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#4 2010-05-03 4:18pm
- the balt
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Re: 1980 Mongoose Motomag
beast i love that you put a 14mm 9t on it
.GO REDSOX GO.
. need a lhd 9 tooth cassete wheel .
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#5 2010-06-06 7:06pm
- Grimm
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Re: 1980 Mongoose Motomag
This bike is what made me want to build my rat S&M
Need a goodyear grasshoper green slick muscle bike tire...Know its not the place to look just throwing it out there..
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#6 2010-06-06 8:11pm
- BillyBad
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Re: 1980 Mongoose Motomag
Grimm wrote:
This bike is what made me want to build my rat S&M
That is a bad bike!
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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#7 2010-06-06 8:20pm
- Grimm
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Re: 1980 Mongoose Motomag
thanks bro I think Im gonna build a goose rat soon too
Need a goodyear grasshoper green slick muscle bike tire...Know its not the place to look just throwing it out there..
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#8 2010-06-06 8:26pm
- BillyBad
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Re: 1980 Mongoose Motomag
Grimm wrote:
thanks bro I think Im gonna build a goose rat soon too
I wana be the first to see it!
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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#9 2010-06-06 8:53pm
- Grimm
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Re: 1980 Mongoose Motomag
BillyBad wrote:
Grimm wrote:
thanks bro I think Im gonna build a goose rat soon too
I wana be the first to see it!
Done 
Im thinking super goose thats already rusted
Need a goodyear grasshoper green slick muscle bike tire...Know its not the place to look just throwing it out there..
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#10 2010-11-06 8:34pm
- andycapp
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Re: 1980 Mongoose Motomag
Tough ass bike. Super cool. 
44T - BMX Club, Chicago via Cincinnati
What I should have said, was nothing.
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#11 2010-11-07 1:38am
- boomer
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- From: Melbourne, Australia
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Re: 1980 Mongoose Motomag
haha big gulp holder that's class. Normally I buy Mcdonalds with my BMX, never know where to put the drink when I ride home.
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#12 2010-11-07 2:15pm
- BillyBad
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Re: 1980 Mongoose Motomag
boomer wrote:
haha big gulp holder that's class. Normally I buy Mcdonalds with my BMX, never know where to put the drink when I ride home.
Holds a 40oz too! But don't open it tell your home in this state, its a DUII here...........
Last edited by BillyBad (2010-11-07 2:17pm)
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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#13 2011-01-17 10:02am
- spenceld0ggy25
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Re: 1980 Mongoose Motomag
wow!! i love the back wheel!
i like bikes
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#14 2011-05-16 10:56pm
- BillyBad
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Re: 1980 Mongoose Motomag
spenceld0ggy25 wrote:
wow!! i love the back wheel!
Ya, so here's the story on the rear wheel.....took the ass end of a pore GT frame that didn't survive the seat post pull. (Some one slipped and took out the tt with a hammer) so I says to me self billy boy, ya can't give up on a Chrome ass like that, and my won't those center pull brake hangers make a sweet truing stand.....the rest is up to your Irish minds eye as to how I gots that wheel to roll so damn true, mind ya with No wheel hop, it didn't hurt me helpin me self to the Irish whiskey wilst it was takin place.
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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#15 2011-05-17 7:24am
- todd68
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Re: 1980 Mongoose Motomag
That is the best build I have ever seen. Call me a copycat but I'm going to build one just like it.
I had kids because all my friends grew up and I had no one to play with anymore.
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#16 2011-09-30 5:18pm
- djvnub
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Re: 1980 Mongoose Motomag
LOOKING REAL NICE!!
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#17 2011-10-31 8:28pm
- BillyBad
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Re: 1980 Mongoose Motomag
I have always thought this pix makes this look so Hard.....
What Cha think???
Last edited by BillyBad (2011-10-31 8:30pm)
[img]http://i396.photobucket.com/albums/pp42/billybadbmx/header.jpg[/img]
Your not Bad unless your BILLYBAD! If its not a Rat, Its not a Rod!
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