i thought they where gt bars (nice find there)

do you ride this bike? looks like it would be a fun scoot.

i was just curious about the bars. i like seeing unique stuff. the bars just caught my eye






.

here are a couple of shots.

bob--------

so did you restore this bike?

looking forward to the pixs.

this bike looks like it would be fun to blast around on.

10th Anniversary Pro class I4000880
10th Anniversary Pro class I4000517
84' Blue Max pit bike M4-10198

mongoose ca7 31471
decoster ch9 200302

Tone,
yes I ride it. I should have some new pics within the day. I have done a lot to it.

1979 CC9 189117

Nice ride KIW....like the mongoose stamped yellow seat!

Nice KOS Bob...look forward to seeing updates. I need a set of KOS bars for mine.

Thanks Pete.....you've got a nice list of old 'geese yourself there. Can't wait to see 'em done.

ok guys, after many hours of beating my brains trying to figure out my new camera
and it's downloading technique here it is.

CH9
196685

I just started a thread asking about this before I saw this one. I just brought home a survivor today! Any takers?

1rad dad, you've got PM.

ANNIVERSARY HAM0H10629 - 261/500
BLUEMAX 1 J1-88927
BLUEMAX 2 B3-001048
CALIFORNIAN H3-002579
CALIFORNIAN M5-CE7054
CALIFORNIAN M5-EJ2863
CUSTOM PIT CA0-325071
DECOSTER CD0-301997
DECOSTER CH6-23553
DECOSTER LOOP I1-70949
EXPERT M3-F4931
EXPERT M5-EJ2125
EXPERT? M7-GE01374
JAG CA9-130438
KOS KRUSIER CH0-313138
KOS TANDEM CHO-311180 & CDO-302897
MINIGOOSE CC9-142967
MINIGOOSE CL0-363605
MINIGOOSE F1-33798
MINIGOOSE J1-79073
MINIGOOSE L3-003163
MINIGOOSE M6-CG0271
MITYGOOSE CI8-99492
MITYGOOSE K1-154031
MITYGOOSE M3-H2192
MOOSEGOOSE CD0-303738
MOOSEGOOSE CD0-304100
MOOSEGOOSE CH0-324268
MOTOMAG CK6-28162
MOTOMAG CL9-258714
MOTOMAG 11443
MOTOMAG CC1-399949
MOTOMAG CC1-409614
MOTOMAG CC7-10710
MOTOMAG CD7-36385
MOTOMAG CD9-152496
MOTOMAG CE9-162038
MOTOMAG CF6-18888
MOTOMAG CH0-327002
MOTOMAG CHO-927915
MOTOMAG CI0-269833
MOTOMAG 2 H1-57780
MOTOMAG 2 I1-68746
MOTOMAG 2 I1-69159
MOTOTRAC CC1-410086
MOTOTRAC CC1-412286
PRO CLASS D3-002315
PRO CLASS J2-009981
PRO CLASS 24 A5-000279
racerx 1 XL6-11708
racerx 2 XD7-35647
RAMPAR CA9-131841
RAMPAR CI8-?????
RUPE J4-000598
RUPE'S RUPE G4-000830 - RUPE04
SCOOTER 83
SUPERGOOSE 1 TCB0-283688
SUPERGOOSE 2 E1-17998
SUPERGOOSE 3 I3-002588
TEAM 1 TCE0-307586
TEAM 1 TCK9-244880
TEAM 1 TCH0-320419
TEAM 2 E1-17975
TEAM 2 TCJ0-351311
TEAM JAG TCB9-141237
TEAM MINIGOOSE TCF9-178820
TWO FOUR A2-000497
TWO SIX H1-65240

Crazy cool!

Please note the serials on the tandem Kos are 4 months and over 9000 units apart from each other. This tells us that Bottom bracket shells were stamped well in advance and your bike maybe up to half a year (or more) different than what you think Meaning the bike was built with a Jan 81 serial # but it didint get welded up till AUG 81 and wasnt chromed till OCT 81 then decaled in NOV 81 with the new decals for 82.... etc

I'm quite interested in knowing approximately when the serial numbers changed from the 5 number stampings, to begin including the letter "C" and then when they began to include the Month and Year... Another interesting point is when they went away from the extra Gusset at the BB area and what serial numbers where going on then...

As the main 4 changes in the "First Generation Mongoose" occurred from the late 1975 design to early 1977, this is where I am most interested.

These four points (changes) specifically:

a) One piece "Trapezoid" Coaster Brake change to Two piece "Flattened Hourglass"

Flanging seat stay triangle to straight

c) Head Tube Angle change

d) Removal of extra BB Gusset and addition of Brake Bridge

These would all be good Historical points to have the serial numbers from IMO Warren...

For example, I have an OG Nickel 75 with the newer one piece "Flattened Hourglass" Coaster Brake Tab. It is serial # 12000. "MonsterRobot" (Michael) has one of these 1975 "cross-over versions" as well. His is serial # is: 11994... So these Serial #'s would indicate approximately when the Brake Tabs changed unless earlier Serial #'s of these can be located...

From what I gather (I discussed this a lot with quite a few people by comparing all our serial numbers), C 17999 was when it finally changed to CE6 18000. I have a C 17440, Warren you have one that is C 17834, and then there was Ben Joy's Mongoose at C 17986. Jeff Haney had CE6 18501. This would indicate that May 1976 is probably when the Month and Year stamp was added.

Also, Randy Cain's 77 is the last frame I know of that still had the extra Gusset and no brake bridge, CA7 32286. I'm surmising January 77 was the last month before the Gusset change and the addition of the Brake Bridge occured.

I also believed (as most collectors did) that Mel Stoutsenburger's "# 57" was the oldest known original/intact Mongoose frame in the world, until 3 days ago... I have now located one that is older... "TOP SECRET"!!! Details to follow...

good points there pete.
can you list your serials here too?

Im trying to get a more acurate timeline of changes for a new project for www.vintagemongoose.com

Plus its about time i updated the site and the serial # section

I have a few unproven theories that im working to confirm so stay tuned

Anyone have a 79 mitygoose????

I don't Warren, but there was an mint one hanging on the wall of a bike shop in Hawaii just over a year ago. The bike shop owner said it was his BITD and would not get rid of it, so it should still be there. You can give him him a call-I'm sure he would help out with any info you needed off of it. Let me know if you want the name/number, I would have to do some recon to find it.

Thanks heaps Dave
email me warren@vintagemongoose.com

Also CA7 32286 came from the factory equipped with MM1's. I have not seen (yet) a later serial numbered bike known to have come equipped with these wheels. So my assumption is that the gusset , brake bridge, and switch to MMII's (on factory complete bikes anyway) all came at or around the same time, Jan '77.

The bike was purchased new in Ca. in May of 1977.

thanks for the info randy

FYI the "C in the serial # was dropped in April 81

Did it take you long to compile all those serial numbers Waz?....LOL

I would expect the differences between "stamp date" and "manufacture date" to expand as the production numbers increased. I have no "proof" of this but it would seem to make sense logically in a mathematical model and common sense in a real production environment.

Also, my 11994 was delivered in September '75 and has the second style brake tab. My bike that was bike delivered to my neighbor in December, 11851, has the original trap style brake tab. Three months difference in delivery and only 143 units difference in serial numbers. Waz, this reinforces your point an at a very early stage in production. A rolling production change occured and a big lag in sequence before 2000 units. Of course....warehousing, secondary storage, shipping lead times in the mid '70s...difference in models (long vs short)...that's a lot of variables to consider. But you guys have started the process in understanding the manufacturing model/process by gathering and consolidating as much data as possible.

I really dig this stuff! Attempting to prove, benchmark and understand this process is very similar to what I do for a living. Cheers to all of you!

PS: The bottom bracket photo is key to show that true sequential numbers were unlikely to happen in actual production.

Well said MR... I would really like to know exactly when the first production Mongoose rolled out in 75. That would clear up a few things... Did you ask Skip Warren? Should I? Maybe you know already.

I forgot to mention that other "big" change in the first Generation Geese, when the chain stay connection went from the center of the BB to the bottom part. I believe that happened around when the extra Gusset was dropped. Approximately January 77?

Anyhow for your records Warren, here's my "Flock" for now... (Some stuff is still in BC and some is in Kentucky):

1975

OG Nickel "Long"
12000/13000 (factory "3" stamped over "2")

1976

C 17440 Brilliant Nickel Long
CF6 20485 Brilliant Nickel Long (Cash Matthews)
CF6 20758 Polished Copper Long
CF6 20166 OG Nickel
CJ6 25556 Hexavalent Triple Chrome Short

1977

CE7 37285 OG Nickel Long
CK7 54160 OG Nickel Short

1978

CF8 81365 OG Nickel
CH8 81365 OG Orange

1979

1979 Supergoose OG Nickel "PBMD"
CK9 238233 Candy Lime

1980

CJ0 342499 Bully Orange
CC0 298208 (NOS Frameset/Red)

1981

E114727 OG Nickel
F119919 OG Nickel
H149917 Raw Metal

Corrections from my earlier post:

a) One piece "Trapezoid" Coaster Brake change to Two piece "Flattened Hourglass"

(I meant Two piece Trapezoid going to One piece "Flattened Hourglass")

Flanging seat stay triangle to straight

c) Head Tube Angle/position change

d) Removal of extra BB Gusset and addition of Brake Bridge

Should have added one more:

e) Chainstay block moving from center of BB to lower portion

There. Now I feel better... Ha!

I think those were the only frame changes that occurred between 75 and early 77... Not including Short (or Original) vs. Long and Colors vs. Nickel...

81 Goose
ca1
386786- nice bike restored w/new parts and is currently making the podium every Sunday.

Californian-m4c15376/ has some very old parts from the 81

Good stuff, do you have a pic of 12000 and of the serial?

This is right after I got it, took it apart and added it to my wall mounted "Goose Rack"... It's the first one you see.



I have no other good pics of it right now but will take some more for you for sure bro. It's pretty cool. They must have messed up at the factory drinking all the beer from the Hanger Cup cases! It's stamped 12000 and then stamped 13000 over that...

Strange and beautiful little Goose... BTW, it's nearly mint Warren, looked like it had never been used. Dropouts are immaculate too. Crazy cream puff. Had the OG 75 Ashtabula forks with it as well... I had everything else (era-correct) including the Simi MM1's.

I'll be dressing it up for a cool Christmas photoshoot! Going to attempt to recreate that first BMX Products add exactly... I have some "special" decals too that you'll like I'm sure...

Click to view attachment

Beautiful 76 you have there 67! First muscle car I ever rode in(early 70's) was a 68ss396

Yeah 67, that's a wicked 76 - C 17141 for 08!

Like to know more about it...

67, Are those the original stickers?

I do believe they are, MCM.....I think I see the RECO decal still on the seatpost. Someone needs to recreate that decal . I've got the drawing and a photo somewhere. If someone has some spare time, I can send you the info...hint, hint.

I know someone who has done the RECO artwork...

Well let's have it Volcano. I sent an original photo and sketch w/dimensions to Bill (and Randy too) several years ago when he was working on the "now available" repros. But they went with the appended trimoly decal which, isn't correct for the early frames. If someone made the standalone RECO, I'd like to get a few. Don't think there would be any trademark issues since, I'm assuming, RECO no longer exists.

Wow! mongoosedrummer......THAT'S an awesome rack of frames you got there! Gussets galore

I'm pretty sure Bill's sets come with the Reco stickers-I know the early sets that I received did.

The reason I asked about the decals on the yellow bike is because the top tube decal seems to be on backwards from the norm (red is usually in front). Just wondering if it was updated or a factory defect.

The ones of Bill's I've used, had RECO as part of the trimoly frame decal. As far as I know, no one made any of the standalone RECO decal.......the style used on the '75 and some of the '76 bikes......like this......




I have a theory about some of the frames/bikes going out the door with the top tube decal "backwards"....and some did leave the factory like that. I believe the decal was designed for the red to go towards the front but, QC wasn't very tight in the early days or sometimes the word just didn't get around to whoever was putting on decals that day

I have One Mongoose. It's done up in Mint green and pink for my daughter.

1986 Californian Serial Number M6CH3305.

Thanks guys yhea i believe the bike to have the original finish and decals. I got the bike about six or seven years ago. It does have the reco sticker. Don't really know too much about the bike as I mostly collect schwinn stingrays. Where these bikes sold complete or as a frame set?

Mongoose bicycles were sold both as "Framesets" (frame and forks alone) and as "Complete Kits" in 1976 as far as I know. Someone may want to correct me on this, but that is my understanding and personal experience...

Many people opted to have Tuff's for instance as apposed to MM1's. That's why we see so many versions of an "Original" Mongoose without MM1's or other "Factory" supplied parts like Hunt Wilde clear grips or Preston Pettys for example. One guy I know has a "completely OG" Mongoose from 1976 with Redline forks, and Tuffs... That's how he ordered it BITD.

Also, the "Complete" bike was only ever offered completely disassembled in a box. That's one of the alluring factors of the OG Mongoose. You had to put it together yourself (or with your Dad ) or have it done by your LBS. You couldn't just walk into a Walmart and buy one fully assembled. It was a pretty big deal to get a Mongoose back then...

67 your frame looks very OG and those decals look original for sure. I'm intrigued by the Yellow...

Are you ready for a spanner in the works!!

Check the serial on my Super X (MK1)
Its' serial number sits between my 75 goose and monster robots 75 goose
Yet its XL6 .... Dec 76.....

Nice! That's really a unique frame Waza.

The number and date totally make sense. My 11851 bike was originally belonged to my neighbor. He received it as a Christmas gift in 1975.

SS - That yellow goose is so nice! Really clean....! I like it!

1976 Mongoose Short Nickel CL6 29156

Oops!!! I just noticed Waza's bike is "76" not "75"!

That is definitely a different set of circumstances...and it takes us back to square one...

All my pictures are deleted from the onsite image hosting here... Seems the company had somekind of major meltdown!

Anyhow, I thought I would try and add them back somehow. Hopefully this will work... I'm using another method.

My NOS 1980 Frameset and Original Box:

My 75 Goose up front:

Thought I would add this little bird... Mel Stoutsenburger's Mongoose #10057:

1976 Mongoose nickel - C 17834
1977 Minigoose nickel - CA7 31535
1979 Mongoose nickel - CL9 254900
1979 Roger DeCoster blue - CL9 865729
1980 Kos Kruiser chrome - CH0 315134
1980 Moosegoose chrome -CA0 231008
1981 Mongoose chrome - CC1 110312
1981 Team Mongoose blue - E115201

CA0269495 Originally white.....and will be again in about a week.

BEAVER, I think your decoster is really CL9 265729)

and

1981 Mongoose chrome - CC1 110312
please check this one too. as the number is out of range??

1981 Supergoose E116915

WAZA, you are correct! The 1979 Roger DeCoster should be CL9 265729 and the 1981 Mongoose should be CC1 410312. Time to upgrade the 40 watters in the basement. It couldn't be my eyes, could it?

o.k Waza, here are a few of mine, CC1 408878, australian delivered, red mongoose II
TCL9 262454 picked up in usa, nickel
E112918 picked up in usa, full cromo, chrome plated
CJ9 232859, picked up in usa, black motomag
CJ0 346401, picked up in usa, yellow motomag
CH0 323515, australian delivered, black when I got it
F120820, australian delivered, motomag, nickel
I'll dig out some more soon.