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 Post subject: Cannondale Caad12 BB30a
PostPosted: Fri May 05, 2017 8:05 am 
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Joined: Tue Jan 03, 2017 5:00 pm
Posts: 79
I have a 2017 caad 12 with a BB30a

I have been offered the below cranks in bb30 and was wondering if they would fit? I am very untechnically gifted, so before committing I'd hope the experts on here could help. Thanks

Image


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PostPosted: Fri May 05, 2017 7:10 pm 
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Joined: Wed Aug 10, 2016 6:05 pm
Posts: 71
Short answer: no they won't. The spindle is too short.


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Posted: Fri May 05, 2017 7:10 pm 


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PostPosted: Fri May 05, 2017 9:35 pm 
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Joined: Wed Jan 10, 2007 10:56 pm
Posts: 1386
Location: Canada
Ltyarbro42 wrote:
Short answer: no they won't. The spindle is too short.


Really?? I think you are wrong......

http://weightweenies.starbike.com/forum/viewtopic.php?f=3&t=144719


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PostPosted: Fri May 05, 2017 9:37 pm 
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Joined: Wed Aug 10, 2016 6:05 pm
Posts: 71
BB30A is wider than BB30. I made the same mistake OP is about to make. I bought a power meter with BB30 and I can confirm, it does NOT fit.


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PostPosted: Fri May 05, 2017 10:11 pm 
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Joined: Wed Jan 10, 2007 10:56 pm
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Location: Canada
Ltyarbro42 wrote:
BB30A is wider than BB30. I made the same mistake OP is about to make. I bought a power meter with BB30 and I can confirm, it does NOT fit.


He's not talking about a power meter. He's got a red bb30 crank. You remove the preload adjuster from these cranks and use a wave washer to gain the extra width. Read the thread......


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PostPosted: Fri May 05, 2017 10:14 pm 
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Joined: Wed Aug 10, 2016 6:05 pm
Posts: 71
No shit? I mistakenly got a crank based power meter for a BB30 when the BB30A standard was new. It did not fit. Period. Wave washers do nothing to lengthen a spindle.

You can put a BB30A crank to a BB30 bottom bracket. Not vice versa.

Sent from my ONEPLUS A3000 using Tapatalk


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PostPosted: Fri May 05, 2017 10:20 pm 
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Joined: Wed Sep 12, 2012 9:00 pm
Posts: 568
Location: Az USA
So the new sram red crank with the hidden bolt fits BB30a, since cannondale specs that on the eTap Hi-Mod, does anyone have spindle length comparing the old and new?


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PostPosted: Fri May 05, 2017 10:25 pm 
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Joined: Mon Feb 06, 2017 5:32 pm
Posts: 51
104 mm (old) and 109mm (new) are the two lengths of spindles


Sent from my iPhone using Tapatalk


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PostPosted: Fri May 05, 2017 10:49 pm 
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Joined: Wed Sep 12, 2012 9:00 pm
Posts: 568
Location: Az USA
^^thats the lengths of the old/new Red BB30 cranks? Couldn't find anything difinative on google.


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PostPosted: Fri May 05, 2017 11:51 pm 
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Posts: 144
I doubt it would fit, spindle not long enough. SRAM Force funnily enough has a longer spindle (or so they recon on the cervelo forum) and would fit. No help to the op though.


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PostPosted: Sat May 06, 2017 12:02 am 
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Joined: Fri Aug 31, 2012 6:32 pm
Posts: 406
This crank will not fit on BB30A. The newer version with the hidden bolt will if you remove the threaded preload adjuster and replace it with a wave washer and plastic shims.


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PostPosted: Sat May 06, 2017 12:51 am 
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Joined: Thu Jul 21, 2016 3:47 pm
Posts: 53
Wondering if you are replacing a HollowGram Si on your CAAD12? If yes, why would you?


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PostPosted: Sat May 06, 2017 6:08 am 
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Joined: Mon Feb 06, 2017 5:32 pm
Posts: 51
AZR3 wrote:
^^thats the lengths of the old/new Red BB30 cranks? Couldn't find anything difinative on google.



I apologize I was referring to the hollowgram spindle sizes.

Image

These have two sizes 104 (older) 109mm (newer)


Sent from my iPhone using Tapatalk


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Posted: Sat May 06, 2017 6:08 am 


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