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 Post subject: Help me find a BB!
PostPosted: Tue Apr 08, 2014 1:25 am 
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Joined: Sun Feb 23, 2014 7:41 am
Posts: 16
I have a Specialized Allez Race frame with an alloy OSBB. I'm putting a Ultegra 6800 crank on the frame and don't want to use an adapter. Will either of these BB's work or do I need to get something Specialized specific?

http://www.rotorbikeusa.com/products/bb ... acket.html
http://wheelsmfg.com/products/bottom-br ... board.html


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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 1:44 am 
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Joined: Mon Apr 23, 2012 10:21 pm
Posts: 166
Location: London, UK
I've used the Praxis conversion bottom brackets with good success. There are two road versions BB30/PF30 and a the OSBB version that you'll need.

http://praxiscycles.com/product/shimano-conversion-bb/

The delrin adapters are lighter but more of a hassle in my experience.


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 Post subject: Re: Help me find a BB!
Posted: Tue Apr 08, 2014 1:44 am 


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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 1:46 am 
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Joined: Sun Feb 23, 2014 7:41 am
Posts: 16
I was wanting to avoid Praxis because my LBS can't get them.


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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 2:04 am 
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Joined: Mon Apr 23, 2012 10:21 pm
Posts: 166
Location: London, UK
Weird I punched my postcode into their site and it misses out quite a few LBSes that I know stock Praxis products. The UK distributor, Upgrade, has always been helpful to me. I seriously would recommend finding a shop that does stock them.


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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 2:08 am 
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Joined: Sun Feb 23, 2014 7:41 am
Posts: 16
Curious why those will not work when they are listed as the same dimensions.


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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 2:22 am 
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Joined: Mon Apr 23, 2012 10:21 pm
Posts: 166
Location: London, UK
A OSBB is 61mm wide. Any adapter that Wheels Mfg does needs two 3.5mm spacers to bring it up to the 68mm BB30/PF30. I'm not 100% certain their bottom brackets have that ability like their adapters.

You could always shoot them an email asking what exactly you'd need as their pages on the OSBB aren't working

http://wheelsmfg.com/products/bottom-br ... ckets.html :noidea:


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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 5:08 am 
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Joined: Fri Dec 11, 2009 10:38 pm
Posts: 1104
Location: Toronto
deltree wrote:
A OSBB is 61mm wide. Any adapter that Wheels Mfg does needs two 3.5mm spacers to bring it up to the 68mm BB30/PF30. I'm not 100% certain their bottom brackets have that ability like their adapters.

You could always shoot them an email asking what exactly you'd need as their pages on the OSBB aren't working

http://wheelsmfg.com/products/bottom-br ... ckets.html :noidea:


This advice is incorrect.

Specialized in an effort to confuse have TWO OSBB types. The alloy version that OP has is conventional 68 x 42 BB30.

see here http://www.specialized.com/media/whatsnew/CG0307_RevA.pdf

Personally I like the look of the Wheels adapter since it threads together.

_________________
There's sometimes a buggy.
How many drivers does a buggy have?

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So let's just say I'm drivin' this buggy...
and if you fix your attitude you can ride along with me.

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 Post subject: Re: Help me find a BB!
PostPosted: Tue Apr 08, 2014 12:00 pm 
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Joined: Mon Apr 23, 2012 10:21 pm
Posts: 166
Location: London, UK
Ah jeez, sorry completely skipped the first part of out my mind :oops:

Yeah the alloy shell is wider, the Praxis BB will still install without using the included sleeves.

https://praxiscycles.com/wp-content/upl ... ConvBB.pdf


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 Post subject: Re: Help me find a BB!
PostPosted: Fri Apr 11, 2014 5:44 am 
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in the industry

Joined: Mon Apr 04, 2011 9:59 pm
Posts: 65
Location: Santa Cruz, CA
Hey Guys..
Our Conversion BB's and Forged rings are fully avail in UK by our distributor - UpGrade in UK.
As dealers sign up and stock, they are added to the UK Dealer Locator.
Give UpGrade a call and they will help coordinate with your shop of choice no problem.
Thanks!
Adam@Praxis

_________________
Praxis Works
Manufacturer
Santa Cruz, CA
www.praxis-works.com


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 Post subject: Re: Help me find a BB!
Posted: Fri Apr 11, 2014 5:44 am 


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