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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  3 piece bottom bracket conversion - square taper
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Author Topic: 3 piece bottom bracket conversion - square taper  (Read 532 times)

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Offline GT Two

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3 piece bottom bracket conversion - square taper
« on: October 19, 2017, 03:25 PM »
Hi Can anyone recommend a bottom bracket kit for a Mongoose Californian?

Many thanks

Lee
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Offline Midschoolfool

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Re: 3 piece bottom bracket conversion - square taper
« Reply #1 on: October 19, 2017, 04:54 PM »
So you have square taper arms yes? and you want to fit them to an American BB? do you have any BB at all? the spline?

Recently I did not want to pay "Old Skool BMX innit" prices for a nice 3pc so I bought this.

http://www.ebay.co.uk/itm/Onza-MTB-BMX-3-Piece-Crank-Set-170mm-New-Old-Stock-/152736124863?hash=item238fc84fbf:g:sokAAOSwJb5ZrqsW

For my 24" cruiser. You can get square taper Euro BB easy. Mine was also Euro. So I used this..

http://www.ebay.co.uk/itm/Truvativ-Bb-American-To-Euro-Bmx-Adapterblack-/152408713798?epid=1819992784&hash=item237c446a46:g:m9oAAOSw4DJYh3XU

And Bob's your Aunt's live in lover....

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Offline Spen69

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Re: 3 piece bottom bracket conversion - square taper
« Reply #2 on: October 19, 2017, 06:22 PM »
Here you go Lee, a tenner plus three quid post for this open race one - keep it greased and adjusted it will be perfect for what you need.

http://www.ebay.co.uk/itm/Old-School-Bmx-3-Piece-Bottom-Bracket-Set-/112608892563?hash=item1a38035693:g:TlMAAOSwIJlZ6D8U

About 50 job done with my crank arms and chainring  :coolsmiley:
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Annoying fat Ed since 2011......

Offline That Swan Guy

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Re: 3 piece bottom bracket conversion - square taper
« Reply #3 on: October 19, 2017, 06:32 PM »
The fact it's a Mongoose doesn't matter when buying parts. It isn't a different size to any other run of the mill 80s BMX with regard to parts and sizes. Just because the Mongoose OPC was 28tpi rather than 24tpi like most others it has no relevance to the size of bits that fit that bike.
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Cleethorpes Back To Basics Ride

July 14th 2018

http://www.radbmx.co.uk/forum/index.php/topic,191520.0.html

Offline GT Two

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Re: 3 piece bottom bracket conversion - square taper
« Reply #4 on: October 19, 2017, 09:27 PM »
Thanks All, I understand now!

 :daumenhoch:
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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  3 piece bottom bracket conversion - square taper
 

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