BB30
NWLondoner
Posts: 2,047
If you have a bike with BB30 do you have to but a BB30 specific chain set or will any road chain set fit? i,e Dura Ace 7900??
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Yes, non BB30 need a adaptor.
http://www.probikekit.com/display.php?code=A07720 -
time to get the hammer out. dont use too big a one on a carbon frame.0
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Thanks for the replies, not the news i wanted but at least i know now.0
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No, you can fit BB30 or stanadrd type chainsets.
Campag make a converter (like the Shimano in post above) so that conventional and Ultratorque BBs can be fitted to BB30 frames.0 -
i'v got a caad 9 with bb30 running tiagra it's just got an adapter, i know you can get them but cant remember where i'v seen em :?0
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baffled biker wrote:i'v got a caad 9 with bb30 running tiagra it's just got an adapter, i know you can get them but cant remember where i'v seen em :?sandbag wrote:Yes, non BB30 need a adaptor.
http://www.probikekit.com/display.php?code=A0772
http://www.chainreactioncycles.com/Mode ... elID=44067
My previous post already linked to one lol
Here's another for HTII
http://www.chainreactioncycles.com/Mode ... elID=465830 -
I found this article.
VeloNews Calls the Bike Industry's BB30 Bluff!
http://pugetpower.blogspot.com/2009/10/ ... -bb30.html
BUT it's only a crank test!Stiffness -- It's not about the cranks
The November 2009 issue of Velonews did an in-lab comparison of BB30 cranks with their standard cousins. The findings? BB30 cranks are marginally stiffer, and marginally lighter.
The Velonews article only tested the component, however. See the photograph on page 91 of the article: the cranks were attached to a vertical sheet of metal for the test. This was a cranks-only test.
The BB30 needs to evaluated as a whole, cranks and frame. The diameter of a titanium frame's BB30 bottom bracket shell is almost one centimeter greater than the diameter of a standard titanium bottom bracket shell. A 20 percent increase in diameter at this most critical (and most-stressed) juncture in the frame translates into a noticeable increase in stiffness.
If the stiffer frame appeals to you but you want to stick with a conventional crankset, like Shimano 7900 or Campy Ultra-Torque, Wheels Manufacturing and Campagnolo both make press-in adapter kits that will allow a BB30 frame to use a standard crank.
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if you use an adaptor, like this one : http://www.probikekit.com/display.php?code=A0772
use that in aluminium frame, because if you want to remove later to use a bb30 crank, if you put that in a carbon frame, you cant remove the adptor.... in fact you can but the warranty will be void0
