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 Post subject: BB30
PostPosted: Tue Jul 23, 2013 9:42 pm 
Retro Guru
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Joined: Tue Aug 14, 2012 4:51 pm
Posts: 2277
Location: Llantwit Major
How do you replace a BB30 bottom bracket? Anyway I can use my M960's instead?


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 Post subject: Re: BB30
PostPosted: Tue Jul 23, 2013 11:52 pm 
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Joined: Fri Jan 23, 2009 2:30 pm
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Location: Surrey
Short answer on replacement for m960 is no as a bb30 doesn't have a threaded bb shell. Axle diameter is also different (I bought a bb30 crank by mistake and at the time, no adapters existed but that may have changed).


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 Post subject: Re: BB30
PostPosted: Tue Jul 23, 2013 11:58 pm 
Gold Trader / MacRetro rider
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Joined: Sun May 25, 2008 11:03 am
Posts: 18218
Location: Sunny Glasgow
This bb30 doesnt seem to be taking off at least it seems that way to me. That and the tapered head tube :?
If you look on crc etc you can pick up fox forks with upto about 70% off because its tapered. Same with the bb30 cranksets, some lovely carbon stuff going cheap.
How have you got on with he one you have ? i mean as in the one youre taking out :)


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 Post subject: Re: BB30
PostPosted: Wed Jul 24, 2013 10:15 am 
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4446
Location: Herts UK
I thought BB30 was a pair of bearing races pressed into the bottom bracket shell - it is not an external type of BB that would screw into the BB. You can buy adapters - a threaded sleeve that presses into the BB to allo fitting of external type BB. It is all very confusing with the different BB types around, not to mention quite annoying.


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 Post subject: Re: BB30
PostPosted: Wed Jul 24, 2013 12:50 pm 
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Joined: Tue Aug 14, 2012 4:51 pm
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Location: Llantwit Major
The one I have hasn't arrived yet. Bought a Cannondale Flash but it needs new bearings in BB and headset


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 Post subject: Re: BB30
PostPosted: Wed Jul 24, 2013 9:31 pm 
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Joined: Mon Feb 01, 2010 8:57 pm
Posts: 774
You can fit Hollowtech 2 cranks to a frame with BB30 shell - there are a number of press-in adaptors available. Avoid the press-in threaded adaptor as it's semi-permanent.


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 Post subject: Re: BB30
PostPosted: Thu Jul 25, 2013 4:44 pm 
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Joined: Wed Jun 20, 2007 11:19 pm
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Location: Odense, Denmark
Press-in threaded adapter is easy to get out if you have the right tool and a headset press!

The other type is also fine - but you need to make sure you buy the right size.


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 Post subject: Re: BB30
PostPosted: Thu Jul 25, 2013 5:36 pm 
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Joined: Tue Aug 14, 2012 4:51 pm
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Location: Llantwit Major
I got the adaptor things that use existing bearings.


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