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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  BB help
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Author Topic: BB help  (Read 939 times)

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Offline Dark Diggler

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BB help
« on: May 15, 2007, 06:35 PM »
Here's the problem, just got a mirra pro frame off bmxmatt  :daumenhoch: and got my new euro bb out of its box and realised there are no threads on the inside of the bb shell, infact it looks too big to house the tiny screw in bb cups, Am I missing something, Matt confirmed it was a euro bb before I bought one, I am confused (dunt take much) here's a pic that hopefully will clear things up ???  All I can think is that I am missing some cups that the bb screws into


I have only ever done us so everything else is a bit alien
Is there a guide to shell size/bb needed ?
HELP  :daumenhoch:
Whats the matter Kid, don't ya like clowns? Don't we make you laugh? Aint we fukkin funny?

snav69

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Re: BB help
« Reply #1 on: May 15, 2007, 06:53 PM »
Is it not a spanish bb  :-\ , dunno what one is i just know there is one  :crazy2:

snav69

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Re: BB help
« Reply #2 on: May 15, 2007, 06:55 PM »
Dunno if this is anygood to ya'  ???

Offline Dark Diggler

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Re: BB help
« Reply #3 on: May 15, 2007, 06:59 PM »
could be I spose Snav but Matt said Euro, winstanlys are saying euro on the bike specs, I ordered a euro from custom riders.....What could go wrong  :LolLolLolLol:

This is why a shell size/bb guide  would be a usefull tool,

Mystery ah tell thee  :D
Whats the matter Kid, don't ya like clowns? Don't we make you laugh? Aint we fukkin funny?

snav69

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Re: BB help
« Reply #4 on: May 15, 2007, 07:02 PM »
See if you can measure the cup to see if it takes a 37mm bearing
http://www.flybikesbmx.com/noticias/spanishbbeng.htm

Fingers crossed eh  ;)

Offline Dark Diggler

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Re: BB help
« Reply #5 on: May 15, 2007, 07:17 PM »
The shell does measure 42mm wall to wall Hmmmmmmmmmmmmmm

Cheers Snav, I have more of an idea....I think  :LolLolLolLol:

Any more opinions anyone  :)
Whats the matter Kid, don't ya like clowns? Don't we make you laugh? Aint we fukkin funny?

Offline TwoBobRob

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Re: BB help
« Reply #6 on: May 15, 2007, 08:22 PM »
I reckon it's Spanish i.e., Profile bearings without the cups straight into the frame.

Supposed to be better than euro as it happens.  ;)


Offline lazychubs

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Re: BB help
« Reply #7 on: May 15, 2007, 08:23 PM »
how new is the frame
could be a mid bb ie just the bearings and no cups of a usa bb
is there a ridge the same size as a bearing

Offline Dark Diggler

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Re: BB help
« Reply #8 on: May 15, 2007, 08:37 PM »
Gonna try that, the donor bike has profiles-us bb   :daumenhoch:
Whats the matter Kid, don't ya like clowns? Don't we make you laugh? Aint we fukkin funny?

Trev

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Re: BB help
« Reply #9 on: May 15, 2007, 08:53 PM »

Don't know if this article is of any use to you.


Click Here

bof

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Re: BB help
« Reply #10 on: May 15, 2007, 08:58 PM »
perrformer just nock the bearings out of your us bb and they should just fit into the frame.

Offline Dark Diggler

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Re: BB help
« Reply #11 on: May 15, 2007, 10:03 PM »
 ::)

Ta very much  :daumenhoch:
Whats the matter Kid, don't ya like clowns? Don't we make you laugh? Aint we fukkin funny?

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