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PostPosted: Wed May 11, 2011 8:57 pm 
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What I'm trying to reason is this, I thought the issue with BB30 has always been the tight tolerances, susceptible to get damaged in install and removal. The infamous creaks etc. etc. Carbon Frames needed to have an aluminum shell in the BB to use BB30 though. So now they try to save weight at the frame by no longer needing the aluminum interface as the 30mm bearing will be housed in a plastic shell that is then pressed into the frame, but isn't this junction between the plastic and the frame as prone if not more prone to moving, flexing, expanding,etc.?


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PostPosted: Wed May 11, 2011 9:18 pm 
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No, not really. And 'plastic' is not really a material.
PF30 has proven itself to be a more viable bb solution than BB30.
This would be why the inventors of BB30 are moving to it.
/a

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Posted: Wed May 11, 2011 9:18 pm 


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PostPosted: Wed May 11, 2011 9:31 pm 
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Also, PressFit30 on a carbon frame saves weight (no sleeve necessary).

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PostPosted: Wed May 11, 2011 9:48 pm 
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As with Nick Leagan,

Ancient Angular Adjustable contact is where it's ideally at for me.

My understanding is that plastic is a good thing for end-users with pressed sealed bearings in full carbon frames, in that they *may* compensate for variations in manufacturing and factory installation tolerances?

That aside, It just sounds wonky. I *thought* the EVO was full on BB30, regardless of the interweb description?

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PostPosted: Wed May 11, 2011 10:10 pm 
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I think it's some plastic/fiberglass composite.

So these won't be anymore serviceable than the BB30s but will last longer before needing service.


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PostPosted: Wed May 11, 2011 10:11 pm 
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funhog1 wrote:
My understanding is that plastic is a good thing for end-users with pressed sealed bearings in full carbon frames, in that they *may* compensate for variations in manufacturing and factory installation tolerances?


If you've got a frame with a BB30 that measures more than nominal value+upper tolerance (V+UT) the PF30 won't compensate the variations. I think that the common practice is to make a BB30 in the lower side of the size (nominal vale-lower tolerance) and let the plastic deform (the plastic will deform more than the steel of the bearings) and adjust to the BB size .

With BB30 you need a V+UT size and maybe use nytrogen to put the bearings in place. With PF30 you need a V-LT size. The only real benefit is that you can reduce the size of the BB for PF30 but not increase it for BB30 after "bad" manufacturing

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Last edited by Epic-o on Thu May 12, 2011 2:01 am, edited 2 times in total.

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PostPosted: Wed May 11, 2011 10:52 pm 
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All I can add to the BB debate is that as a user of a frame with a bearing in a plastic cup press fit solution I have been very pleased. Zero noise. Could be a little more free spinning though.

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PostPosted: Thu May 12, 2011 4:04 pm 
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sorry if I am a bit slow here, how does the Evo compare to the current SS in terms of overall stiffness (not STW)?


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PostPosted: Thu May 12, 2011 4:49 pm 
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Unless anyone from liquigas takes time away from giro or tour of CA to respond, you will not get any first hand info.
The marketing speak says this frame is stiffer than anything on earth by far and then starts referncing numbers like 142Nm.
Does any manufacturer ever release a new model and say "this i s not really that stiff".


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PostPosted: Thu May 12, 2011 5:34 pm 
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"it's our stiffest frame yet still compliant"
:mrgreen:

but I'm sure it is. Denk is the man.


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PostPosted: Thu May 12, 2011 5:46 pm 
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I hope it is also more durable than older Scotts

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PostPosted: Sat May 14, 2011 12:45 am 
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Joined: Thu Aug 31, 2006 4:58 pm
Posts: 468
Location: Ontario, Canada
You can now pre-order at your Cannondale dealer. Expected delivery for Fall. No framesets, store demos or EP available in the foreseeable future (in Canada at least)

prices attached

very similar part specs compared to this years models


Attachments:
Screen shot 2011-05-13 at 7.42.33 PM.jpg
Screen shot 2011-05-13 at 7.42.33 PM.jpg [ 95.72 KiB | Viewed 605 times ]
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PostPosted: Sat May 14, 2011 1:16 am 
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rgkicksbutt wrote:
You can now pre-order at your Cannondale dealer. Expected delivery for Fall. No framesets, store demos or EP available in the foreseeable future (in Canada at least)

prices attached

very similar part specs compared to this years models


http://www.infinitecycles.com/2011/05/2 ... o-pricing/ shows different prices up to 1k difference, are yours CAD dollars?


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PostPosted: Sat May 14, 2011 2:58 am 
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Joined: Fri Mar 25, 2011 4:25 pm
Posts: 21
Location: Los Angeles USA
That noise you may be hearing is my drool hitting the floor.... at $5k for a complete Evo Red, that is a steal. Boy, am I glad I didnt buy the 2011 SS Red, I was actually pretty close. As in all things technology, if you can wait, it is usually to your benefit.


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Posted: Sat May 14, 2011 2:58 am 


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PostPosted: Sat May 14, 2011 3:01 am 
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Posts: 468
Location: Ontario, Canada
Yes mine are in CAD.

But it looks like maybe the prices will be the same, have a look at some more of the chart attached


Attachments:
Screen shot 2011-05-13 at 9.59.36 PM.png
Screen shot 2011-05-13 at 9.59.36 PM.png [ 57.91 KiB | Viewed 560 times ]
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