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PostPosted: Wed Nov 09, 2016 4:21 pm 
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I tried to search and could not find. Give me a number and this will go away.

Thanks!

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Posted: Wed Nov 09, 2016 4:21 pm 


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PostPosted: Wed Nov 09, 2016 4:42 pm 
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It's not an angle. It's a measurement in mm.

There is not much difference in the major brands which fall in the 145 - 150 mm range. See here http://weightweenies.starbike.com/forum/viewtopic.php?t=63682

I had the SRAM specs once but cannot find now. Their BB30 and GXP cranks had the same Q-factor.

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PostPosted: Thu Nov 10, 2016 11:50 am 
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Q factor, yes I was still working on my first cup of coffee. The general consensus is that both the BB30 and the GXP on older Sram is 150mm.

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PostPosted: Sat Nov 12, 2016 1:50 am 
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If I'm not mistaken, it's 149.2mm for the GXP version and 145mm for BB30. The newer GXP cranks have a Q-factor of 145.3mm

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PostPosted: Sat Nov 12, 2016 2:44 am 
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Maybe. Backup?

There is no inherent reason why a BB30 crank would be any different than a GXP crank when it comes to Q factor.

Here's one example from SRAM

Image

_________________
There's sometimes a buggy.
How many drivers does a buggy have?

One.

So let's just say I'm drivin' this buggy...
and if you fix your attitude you can ride along with me.

http://www.youtube.com/watch?v=GekiIMh4ZkM


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PostPosted: Sat Nov 12, 2016 6:48 pm 
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OP is talking about ’10 Red cranks.

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Posted: Sat Nov 12, 2016 6:48 pm 


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