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PostPosted: Fri Jun 13, 2014 4:34 am 
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Do you think a 11/32T cassette will work with it?


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PostPosted: Mon Jun 16, 2014 12:12 pm 
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As far as I know, 29t cog is the max for Campy RDs.


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Posted: Mon Jun 16, 2014 12:12 pm 


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PostPosted: Mon Jun 16, 2014 2:07 pm 
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Location: Welland, Ontario
There's a 2-part answer to the question.

One is the issue of cage length and the amount of chain to be taken up in going from big-big to small-small. The maximum safe number for a short cage RD is 30 teeth total. So the 11-32 has an 21T range and a 39-53 crankset has 14T for a total of 35T or well in excess of what the RD can handle. With a compact on front, it's worse of course. So, it requires a medium cage RD and It does not look like such a thing is available in EPS.

Second is the issue of upper pulley clearance from the big sprocket. Campy do make a 12-30 in 10-speed (which I have), and there is sufficient clearance. And here I'm assuming that the basic RD geometry is the same, which I believe to be so. So, it's possible there may be clearance, but it's going to come down to individual frame and hanger differences.

This is a long way of saying that I don't believe it's possible to do with standard EPS. Wider range gearing is possible with Athena mechanical which does offer a medium cage RD, so just maybe a cage swap is possible, I don't know.

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PostPosted: Tue Jun 17, 2014 12:47 am 
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.


Last edited by Causidicus on Wed Jun 18, 2014 1:38 am, edited 1 time in total.

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PostPosted: Tue Jun 17, 2014 2:12 am 
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Causidicus wrote:
Could put the long cage Athena 11 triple cage on the EPS RD. Still might not clear a 32 without a longer hanger.


isn't that what I said??

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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: Tue Jun 17, 2014 3:25 am 
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What is your front end, if you are running a single ring you can make it work :)


Sent from my iPhone using Tapatalk


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PostPosted: Tue Jun 17, 2014 3:49 am 
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PostPosted: Sun Jul 31, 2016 10:32 am 
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Posts: 5
I have tried this (11-32 sram force with SR EPS rear mech) on my trainer...

The results are just not consistently reliable enough (only successfully half the time), plus the stress on the chain would be too much...

If you nurse it VERY CAREFULLY and (I mean very) it will shift on the big-big combo. However when shifting out on the road, it's just not practical.... Don't risk it, it's not worth the trouble

Hope this helps


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Posted: Sun Jul 31, 2016 10:32 am 


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PostPosted: Sun Jul 31, 2016 11:01 am 
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Location: SYD
Shoot me an email. I have a way that should work!

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