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BB question
#1
I have a Origin 8 Adrenaline frame - Info on the frame: 65mm BB Drop?. I bought SRAM red components. SRAM Red carbon TT crankset 130bcd BB30. I'm completely new to bike building. I want to get all the parts together. not sure exactly what BB I need. BB30 but, not sure of sizing. Thanks for your help!
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#2
Bottom bracket drop is only the relationship of certain axis aspects of the bike, do not worry about this, but to read a bit about it and save me typing check out this link below. roll with the bb30 for your crankset, it will fit both standard shell width's
http://www.blackmtncycles.com/2008/05/slightly-lower-bottom-bracket-height.html
As you have already purchased your frame it does not matter as far as consideration for purchase. this link shows you what they mean buy drop
http://cyclingtips.com.au/2011/02/the-geometry-of-bike-handling/
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#3
I shouldn't have thrown in the 65 mm drop in there. My question is what BB30 do I need? I'm fairly certain it is a 68 mm English. Can someone point me to a specific BB that I can purchase for this combo? I google bb30 - wow! is all I can say..
For example: This one: http://www.competitivecyclist.com/sram-pf30-bottom-bracket
or this one: http://www.competitivecyclist.com/sram-pf30-ceramic-bottom-bracket.
Obviously one is ceramic the other is not, hence higher price. I could place either one on my bike and it would fit my combo frame/ crankset? Seller means nothing to me, just need to make sure that this is what I need.
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#4
either will work fine, the question would be if your frame is a press fit bb30 compatible frame
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
  Reply
#5
I recently read this overview (also look at part two and the other tech related stuff there)

http://www.slowtwitch.com/Tech/Bottom_Bracket_How-To_3069.html
  Reply
#6
Thanks Joe - good reading. Unfortunately I got bad advice about the BB or no advice at all. According to the frame pic it is English BB. The Crank was a BB30/PF30, wrong combo all together. I needed a GXP crank for compatibility. I went to another website to find out.
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