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Technical & Reference Section => Tech and Restoration => Topic started by: Smidsy on December 15, 2018, 02:32 PM

Title: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on December 15, 2018, 02:32 PM
So I have now got a Mongoose frame and forks as well as the skyway.

So that is 2 builds I have to now source parts for and complete.

I can see this is going to get expensive.

[attachment=1]

Not sure what parts to use on this one. I have ordered a full year correct sticker set from BMX Products.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: HUTCHMAN on December 15, 2018, 05:11 PM
very nice... just don't make the same mistake I did... make sure the down tube decal gets put on the correct way round.  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on December 16, 2018, 03:29 PM
very nice... just don't make the same mistake I did... make sure the down tube decal gets put on the correct way round.  :daumenhoch:

Without seeing it I am struggling to work out how it could be put on the wrong way round??
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: chrisv39 on December 16, 2018, 05:47 PM
very nice... just don't make the same mistake I did... make sure the down tube decal gets put on the correct way round.  :daumenhoch:

Without seeing it I am struggling to work out how it could be put on the wrong way round??
Red part of the decal towards the gusset.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: chrisv39 on December 16, 2018, 05:50 PM
Could be that the main decal goes on the top tube for that year of frame. Have a look on vintagemongoose.com it’s a great resource for all things mongoose :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on December 17, 2018, 07:48 AM
Could be that the main decal goes on the top tube for that year of frame. Have a look on vintagemongoose.com it’s a great resource for all things mongoose :daumenhoch:

Oh I see now...in the wrong position.

Was struggling to understand how they could be the wrong way round (writing backwards/upside down)  :2funny:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: HUTCHMAN on December 17, 2018, 06:10 PM
very nice... just don't make the same mistake I did... make sure the down tube decal gets put on the correct way round.  :daumenhoch:

Without seeing it I am struggling to work out how it could be put on the wrong way round??
Red part of the decal towards the gusset.



Exactly what I was getting at  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Poey on December 19, 2018, 09:32 PM
Have u sprayed those with a can


Sent from my iPhone using Tapatalk
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: dancetothedrummersbeat on December 20, 2018, 06:15 PM
Nice starting point for a great build. Please keep us all updated  :)
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on January 05, 2019, 03:19 PM
Have u sprayed those with a can


Sent from my iPhone using Tapatalk

No, bought it as is.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on January 14, 2019, 01:24 PM
A little bit of progress
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: BMX1973 on January 25, 2019, 06:20 PM
Will look great when built.  8)
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: bobafett on January 28, 2019, 12:30 PM

Lovely  8)


What parts you putting on her ?

This is how I built my red 1980 a few years back :

(http://www.jpdeane.com/bmx/mybikes/1980redandblack/1980redmongoose01a.JPG)

Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on January 28, 2019, 12:47 PM
Have u sprayed those with a can


Sent from my iPhone using Tapatalk

Great first post...Welcome !
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on January 28, 2019, 01:19 PM

Lovely  8)


What parts you putting on her ?



Mongoose stamped crank, Skyway Tuffs (I know its a motomag), DC brakes

looking for double stem and handlebars at mo.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on January 28, 2019, 02:50 PM
https://bmxmuseum.com/forsale/310039

or this?

https://bmxmuseum.com/forsale/313647

or

https://bmxmuseum.com/forsale/294009
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on January 28, 2019, 03:03 PM
Those bars are a nice shape...but not in good shape.

Stem, nice....but woh how they charge.

Thanks for the links though.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 05, 2019, 11:09 AM
Bit more progress....just loose fitting stuff to see.

Wheels and stem added

[attachment=1]
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 06, 2019, 08:35 AM
I've been told (severely) that the tyres are for clowns.  :crazy2:

Rest assured I have some plain black ones (and some black with tan walls) to try out.

The ones in the photo came on the wheels....that's all.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Spen69 on February 06, 2019, 10:18 AM
It's been said that I love a mk1 'Goose and this is a fantastic colour. Build it how you want mate and enjoy it :daumenhoch:

As for the clown comments, I'd like to assure you that the folks on here are all clowns, every one of us. Most of us know each other and at least one a year meet up in a field, drink beer and talk about life, the universe and kids bikes. So if you weren't sure we are all clowns, just go have a look at the photos from any of the rides or MK and you will be under no doubt were all clowns.

Especially Griff :yahoo_silent:  :2funny:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Taipan on February 06, 2019, 10:52 AM
Hey fella,
the bike is lovely no doubt about that  :daumenhoch: as for the comments in another thread nobody is saying your a clown? the reference was made that we've seen loads of people usually on egay fitting tyres like that to what we oldies would refer to as clown bikes lol you are deffo not  ;) and the bike is comming along great  :daumenhoch: hope thats cleared that up  ;)
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: griff on February 06, 2019, 12:39 PM
It's been said that I love a mk1 'Goose and this is a fantastic colour. Build it how you want mate and enjoy it :daumenhoch:

As for the clown comments, I'd like to assure you that the folks on here are all clowns, every one of us. Most of us know each other and at least one a year meet up in a field, drink beer and talk about life, the universe and kids bikes. So if you weren't sure we are all clowns, just go have a look at the photos from any of the rides or MK and you will be under no doubt were all clowns.

Especially Griff :yahoo_silent:  :2funny:

& no circus is complete without a Spen :teef:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 06, 2019, 12:57 PM
I quite like the tyres....they mirror the black/gold of the top tube decal.

Oh hang on, that's my outside voice  "nono"
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Spen69 on February 06, 2019, 01:12 PM
It's been said that I love a mk1 'Goose and this is a fantastic colour. Build it how you want mate and enjoy it :daumenhoch:

As for the clown comments, I'd like to assure you that the folks on here are all clowns, every one of us. Most of us know each other and at least one a year meet up in a field, drink beer and talk about life, the universe and kids bikes. So if you weren't sure we are all clowns, just go have a look at the photos from any of the rides or MK and you will be under no doubt were all clowns.

Especially Griff :yahoo_silent:  :2funny:

& no circus is complete without a Spen :teef:

 :LolLolLolLol:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 08, 2019, 02:31 PM
Ok I give in.

All black or black/tan

Picture for potential effect not actual tyres

[attachment=1]
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Spen69 on February 08, 2019, 02:44 PM
All black with Tuffs on a mk1 all day mate, looks awesome  :daumenhoch:

Skinwall / tanwall with spokes :coolsmiley:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: CustardLips on February 08, 2019, 02:49 PM
Yeah... black knobbly's.  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: BrianP on February 08, 2019, 05:40 PM
All Black tyres, build looks great so far  8)

Brian  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Blueylad on February 08, 2019, 06:03 PM
Looking ace that is I have to say pal  fistblump
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: rooski on February 11, 2019, 10:42 PM
Looks great so far, all black tyres me thinks, take your time with it, you are doing the right thing by trying parts for style colour etc.

Take a look at the Museum section as well if you feel a bit stuck , plenty of inspiration there  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Chilli Rinse on February 11, 2019, 10:50 PM
I'm regretting selling my goose frame set now. Very nice 👍🏼
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 12, 2019, 07:20 AM
I am now changing to wire wheels.

Got some Araya rims and ACS hubs on the way. [attachment=2]

I also have an ACS seat clamp coming. [attachment=1]

These will compliment the ACS stem I already have [attachment=3]

So it will have ACS stem, seat clamp, and hubs, all silver/chrome.

May not be 'as skip intended' but I think it will look smart.

Relegated the Tuffs to my Skyway StreetStyler build (which is further down my list)
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Spen69 on February 12, 2019, 09:37 AM
Now you're talking - love a gusset Goose with spokes :smitten:

The Team Goose with blue trim in this pic was the very last o/s bike I kept. Sadly sold a while back when we bought a new house, but I kept it for nearly 10yrs

(http://www.radbmx.co.uk/archive/albums/aa149/Spen69/S4010517.jpg)
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 15, 2019, 09:49 AM
So now have the ACS Stem, ACS Seat clamp, SR Cro Mo Crank, Profile Spider & Chainring and the Win Bars fitted.
[attachment=1]

Just waiting for wheel components to arrive and will then be built with SS spokes to look like this
[attachment=2]

Also just organised this saddle
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Taipan on February 15, 2019, 10:43 AM
Coming together nicely fella  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on February 15, 2019, 04:59 PM
i am liking this now it has the ACs stuff on and the tuffs and those tyres are gone! Are you going for ACs stoker pedals too to complete the picture? they are a bit 'late' for this type of frame but real nice components and look good on there. Most of the bits you are using are more suited to a 83/4 bike much better but this will still look great. I know the components are only a few years later than the frame  but that was a long time back then as innovation and the sport developed very rapidly.
 In time you will probably swap bits out as you get more into the scene and look at other similar bikes. My first build is still evolving now after 8 or 9 years i am still not COMPLETELY happy with it but it's not far off my vision of perfection now. Most of the major components have been changed two  or three times, some five or six!! Some bits were changed for era correctness, some purely on condition, some as their proportions were not right for the frame and some purely because i saw another part i preferred. It all depends what the bike os for and how anal you want to get about it all.....
I reckon DEFO  all black tyres too.... :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 16, 2019, 08:06 AM
i am liking this now it has the ACs stuff on .... Are you going for ACs stoker pedals too to complete the picture? they are a bit 'late' for this type of frame but real nice components and look good on there. :daumenhoch:

Thanks, I think it will come together pretty well.

I do like the idea of ACS throughout (well all the buts they made) but I am not convinced about their stoker pedals..bit strange looking.

I accept that the purists will frown on my selection of components but it is not a show bike and I am not claiming it is 'as Skip Hess expected'.

I am just going for something that looks like you got the bike in 1980 and then swapped out parts for what you though were better as time went on, with a bit of brand identity/consistency.

Black AME grip, Black Kashimax seat ....and probably all black tyres (but not sure which exact ones. Want something that compliments the Aero's. So not too heavy/bulky I guess).
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Spen69 on February 16, 2019, 08:27 AM
I am just going for something that looks like you got the bike in 1980 and then swapped out parts for what you though were better as time went on, with a bit of brand identity/consistency

Mate, there is no better plan as far as I'm concerned. BMX was exactly this when we were kids and that's what gives me the memories when I look at builds now, same as when I used to build myself :coolsmiley:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 21, 2019, 11:14 AM
Baby steps:

Seat post and seat now fitted.

The Araya Aero rims and ACS hubs arrived this week so time to get the wheels built.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: P J Tunni on February 21, 2019, 11:41 AM
Coming along nicely!  :)
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on February 21, 2019, 12:54 PM
Probably not much use now but spotted this....

https://www.ebay.co.uk/itm/Old-School-Bmx-Double-Clamp-Stem-1970S-Bmx/264178214226?hash=item3d823fa552:g:jfUAAOSw3NpcVuvv:rk:2:pf:1&frcectupt=true
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 21, 2019, 02:01 PM
Probably not much use now but spotted this....

Thanks for bothering...but I have gone off piste with the ACS theme  "nono"
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 23, 2019, 12:14 PM
Waiting for my Araya /ACS wheels so stuck the tuffs on for now.
[attachment=1]
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Taipan on February 23, 2019, 04:09 PM
Looks good  :daumenhoch:  a set of ACS Stoker pedals will set you back alot of wedge even in ratty condition that is if you can find any?  ???
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on February 25, 2019, 05:18 PM
ACS Stoker pedals on their way

[attachment=1]
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on February 25, 2019, 06:03 PM
ACS Stoker pedals on their way

[attachment=1]

Sweet!  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on March 07, 2019, 08:37 AM
Ok so Danny has built the wheels (nicely done). ACS hubs/Araya Aeros/Stainless Spokes.

Need rim tape before I can mount tyres properly.

ACS stoker pedals now on too.

[attachment=1]

Not sure about these tyres but you get the idea.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: P J Tunni on March 07, 2019, 10:00 AM
Looking great, but get some black tires on it!  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Retrodan72 on March 07, 2019, 10:11 AM
Looking good buddy.

I agree about the tyres though, would look so much better with black.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on March 07, 2019, 10:18 AM
Looking great, but get some black tires on it!  :daumenhoch:

^^^THIS!
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: dp and chopper dude on March 07, 2019, 10:23 AM
I really like the look of the red tyres. A pair of  black comp IIs or the tyres off your Tuffs would look good too  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on March 08, 2019, 07:33 AM
Thanks for the feedback folks.

I am sticking to my guns on this one (red tyres).

 :tumbleweed:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: BrianP on March 08, 2019, 10:23 AM
That's very cool as is.

I had red tyres w/ tanwalls on my 'goose back in my teens, but I have solid black tyres on it now.

And if you're riding it now, the new odyssey tyres will be perfect!

Brian  :daumenhoch:
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on March 22, 2019, 10:57 AM
Nearly done.

[attachment=1]

Gonna need a layback post....damn these frames are short.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on April 19, 2019, 01:38 PM
OK changed to all Red.

Just waiting for the 6mm bolt kit for the ACS BOA brakes and need to put a layback seat post on (top tube is well short).

Pretty pleased with it for a first proper build.

[attachment=1]
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Taipan on April 20, 2019, 04:28 PM
Tbh I like the black kashi seat better :daumenhoch:  as the red San Marco seat is a mini seat  ???
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: Smidsy on April 21, 2019, 01:16 PM
I agree it needs a different seat, but the all red is what I am after as a finished look.
Title: Re: 1980 Mongoose Motomag build -my 2nd in a week (this is addictive)
Post by: deeman on April 21, 2019, 08:55 PM
I agree it needs a different seat, but the all red is what I am after as a finished look.

https://www.ebay.co.uk/itm/ACS-STOKER-BICYCLE-SEAT-BMX-FREESTYLE-LIGHT-ALLOY-POST-RED-OLD-SCHOOL/150888694179?epid=1848455739&hash=item2321aac1a3:g:yXQAAMXQW7VRE12C&frcectupt=true
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