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Old 03-01-14, 08:28 PM
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BB question

I've been gathering used parts for a build. Frame: Origin 8 Adrenaline uses a BB30, I bought a SRAM Red Carbon crankset 130bcd.
Question: what exact part size do I need for the bottom bracket. I know BB30 - bear with me(bike clueless).
Any random link would help. or specific sizing. Could it be BB30 130bcd? Thanks for your help!
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Old 03-01-14, 08:43 PM
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Bearings press in.

https://www.youtube.com/watch?v=IoUNL8FDweQ

https://www.amazon.com/gp/product/B002SR9B0I/

https://www.amazon.com/gp/product/B00426ENBU/



Wait.... is that a pic of your frame? Not BB30, so you may be in store for some disappointment.

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Old 03-01-14, 08:51 PM
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Is the SRAM crank BB30? It is not just the right BB you need but the right crank also.
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Old 03-01-14, 09:12 PM
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So are you saying that the frame and the crankset are not compatible? No conversion kit?

https://www.adrenalinebikes.com/store...oductid=126256
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Old 03-01-14, 09:24 PM
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What prompted you to buy the BB30 version of the crank? Is it returnable?

Your BB is English Thread.
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Old 03-01-14, 09:33 PM
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No, bought on ebay. Obviously by inexperience. Frame = English Thread. Correct? Crank = BB30. Don't know one from the other. Is there a conversion kit? If there is not a kit, then I will resell the crankset on ebay. So if I purchase another SRAM Red crankset, are you saying that it has to be a english thread crankset?
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Old 03-01-14, 09:36 PM
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That sucks. But, those cranks fetch a good price. Maybe you'll even make money with spring approaching.

You need a crank that is compatible with any English Thread BB.

So if you're going with Red, you need one that has outboard bearing cups. Let me go look.....

I believe you'll be looking to get a GXP BB.
https://www.sram.com/sram/road/products/sram-red-bb

The cups will screw in to your frame, leaving you with outboard bearings. Then the drive-side crank arm will slip in. Attach the non-drive side and you're done.

https://www.youtube.com/watch?v=N9y3RlVRGz8


EDIT:more useful video:
https://www.youtube.com/watch?v=RB1wcwlmsRc

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Old 03-01-14, 09:48 PM
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So I'm not completely screwed. I can keep the frame and the same SRAM RED crankset that I bought , but I need to use a GXP BB . Thank You so much for your help. I see the threads on the GXP BB. Hopefully this will work!
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Old 03-01-14, 09:54 PM
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No.... You're still screwed. Sorry.

The BB30 crankset will not fit, and there is no conversion that will make it work with your frame (that's worth doing).

If your heart is set on Red, you need to sell the crank you have, and buy the GXP version of Red.


BB30 bearings are internal to the frame, so nothing about it is compatible with your frame.
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Old 03-01-14, 10:00 PM
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Sadly, I see lots of options to convert a BB30 frame to English thread, but nothing to take you from English frame, to BB30 or Pressfit 30 cranks.
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Old 03-01-14, 10:06 PM
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LOL, spirits down, spirits up, spirits down. Purchasing a new crank set isn't a problem. I shouldn't have any problem selling the one I bought - . Thanks again for your help.
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Old 03-01-14, 10:10 PM
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Be sure to post back with your progress. I dig to look of the Origin.
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Old 03-02-14, 07:47 AM
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Also, don't take my mention of GXP to mean you need to get a crank that uses GXP. My only point is you need gear that uses an English Thread BB. There are many options that meet this requirement.
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Old 03-02-14, 07:47 AM
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The BB30 crank spindle is not long enough for threaded in outboard bearings. And the spindle diameter is too big for internal bearings. Sorry but you do need the recommended crank and threaded outboard bearings.
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