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Serial number identification help - Supergoose

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GooseJuice:
Hi guys

About 5 months ago I acquired a vintage Supergoose with the intent of doing a bit of restoration on it to make it a weekend cruiser.  When i got it I was told it was a 1983 bike but I don't know how its previous owner knew this.  What I'm trying to do at the moment is identify the age of the bike for myself and whatever origins I can.  Here's what I know:

1. Well, it's French!  Stickers on the frame imply this
2. The rear dropouts implies an 82-88 bike from what I can tell having researched online

I can only find 2 stamps on the bike, the first is 212400 and the second 0985.  Neither are serial numbers from what I can tell - I suspect this was old school security stamping to register it or identify it in the event of theft.

I've uploaded some images of the frame and the number stamps.  If anyone can shed any light in this I'd really appreciate it.

Thanks!!

Spen69:
BMX Racing Products manufactured frames back during this period out of anything they could get their hands on so if you read the resto threads in here you will go round and round.

The only way to know if it is definitely a Supegoose is there should be two extra holes in the rear brake bridge and if you're still not sure, you need to strip the frame and weigh it.

As for a date I'm gonna go with a Dec 1982 which makes this a very early frame if correct, but I will wait for John "Bobafett" on here to confirm. The first "2" means 1982 and the next "12" makes it December. The remaining numbers are just that, numbers.

Either way it is a cracking bike and nice find :coolsmiley:

GooseJuice:
Thanks for the reply.  Feel like I'm starting to get somewhere. The brake bridge has a single hole, but I have read a load of stuff elsewhere saying some of the Ammaco UK versions were a single hole with the Calis always having 3 holes.  I've attached an image of the brake bridge and a close up of the drop out, which ties in with the SG3's design.  I noted that a lot of images of other brake bridges I've seen show them to be a flat piece of metal rather than a 'tube' design like mine.

This MBK decal is still throwing me off though.  If it started out life in France then it's more likely to be the UK not the US version (and we know it's not US because of the brake bridge).  Or is this some curve ball where it's not a Supergoose at all, just some regular Mongoose looking frame that someone put Supergoose decals on during its early life (as the decals befit the age of the bike in terms of their condition - part from the ones on the front forks which I've changed recently).

CustardLips:
The 'M' stands for Motobecane... a French bmx manufacturer. Can't see any reason why it should be there... it bears no significance to the frame. Stuck on by a previous owner i guess.  :daumenhoch:

CustardLips:
Actually looking at it that welding does look pretty ropey.  :-\
Post some more pics of the welds.  :daumenhoch:

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