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Old school Mongoose? Is it a Mongoose or a Frankenstein bike?

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Old school Mongoose? Is it a Mongoose or a Frankenstein bike?

Old 04-28-21, 04:29 PM
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miamibeachcg
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Old school Mongoose? Is it a Mongoose or a Frankenstein bike?

I found this at a local thrift store today. Is it a old school Mongoose? Is it a Mongoose? If so what year & model?
I'm worried it may be a Frankenstein bike of different parts because the pedals are mis matched & some of the other things I've never seen.
There is...something on the front forks below the handlebars with 2 holes - the only thing I can think of it's to hold a racing plate with the bike's number? (3rd photo from the end)
It also has some heavy duty welding even though the bike is really light (I think it's aluminum?)
Any information would be appreciated.












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Old 04-28-21, 04:38 PM
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I know nothing about BMX bikes but I think the two holes below the headset are for a brake gyro?
Something like this; https://am.sourcebmx.com/collections...o?currency=cad
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Old 04-28-21, 04:40 PM
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You could also comb through some old Mongoose online catalogues here; Vintage mongoose: Catalogs
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Old 04-29-21, 10:04 AM
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Serial number says it's an April, 2009 Mongoose.
Might be a Menace or a Ripcord, but I dunno about the chainguard and kickstand tabs - that says entry level.
Definitely aluminum.
Gyro detangler tabs on the head tube.
Seatpost binder and seatpost look non-original. Obvious wheel swap.

Maybe this?

Last edited by Rolla; 04-29-21 at 10:27 AM.
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Old 04-29-21, 11:28 AM
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Old 04-30-21, 08:39 AM
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The tabs on the head-tube are definitely for a gyro. That is NOT a race bike, even from BITD, and numbers go on the bars.

BMXMuseum.com is a great resource for figuring out what found BMX like this are, loads of bikes to compare to.
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Old 05-06-21, 09:08 AM
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My 10 cents! Appears to be a Frankenstein Big Box Store Mongoose build. The frame looks like a Mongoose Ripcord. The graphics on the fork identify that part possibly from a Mongoose Outer Limit. The handlebars and crank set are very similar to parts from a Mongoose Hoop-D. The wheels are probably single wall, cost savers. I've assembled or disassembled then reassembled dozens of bikes that had very similar parts and pieces people purchased online and at Walmart, Target, et al. All of this from around 2000-2008, so, definitely not Old School.
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Old 05-16-21, 05:12 PM
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Originally Posted by miamibeachcg View Post
I found this at a local thrift store today. Is it a old school Mongoose? Is it a Mongoose? If so what year & model?
I'm worried it may be a Frankenstein bike of different parts because the pedals are mis matched & some of the other things I've never seen.
There is...something on the front forks below the handlebars with 2 holes - the only thing I can think of it's to hold a racing plate with the bike's number? (3rd photo from the end)
It also has some heavy duty welding even though the bike is really light (I think it's aluminum?)
Any information would be appreciated.












it's a mongoose, but it's not one a collector would want.
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Old 05-16-21, 11:30 PM
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This is not a Mongoose from the Golden Age when Skip Hess started BMX Products in California circa 1974 with the Motomag and then the following year with the complete bicycle - Mongoose.

The subject bicycle is made off shore post 1982.
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