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PostPosted: Tue Sep 26, 2017 8:24 am 
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Joined: Wed Apr 26, 2017 8:29 am
Posts: 6
Hi

I'm building a bike over the winter, and getting a Campagnolo Chorus H11 group set. It will have a 12x142 rear thru-axle and H11 specific derailleurs, but i'm keen on just buying the "old" 4-arm Chorus crank instead of the new H11 crank because of the vast price difference between the two and also the looks of it. Will the difference be huge in terms of adjusting the gears, chainline etc? The price difference between a Chorus 2017 50-34 and a H11 2018 50-34 is 130 dollars + 25% VAT, so it its a considerable amount - atleast for me :E


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PostPosted: Tue Sep 26, 2017 8:38 am 
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Location: Drenthe, Holland
Yep, the chainline will be off with the old crankset. There is a reason the h11 was designed.

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Posted: Tue Sep 26, 2017 8:38 am 


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PostPosted: Tue Sep 26, 2017 8:45 am 
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Location: Cambridge, New Zealand
I'm using h11 with a quarq and no problems with gears so far.
My problem is that the brakes aren't powerful enough (I am very heavy right now) and campag don't make it easy to upsize the front rotor.

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PostPosted: Tue Sep 26, 2017 9:25 am 
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Will the length of the chainstay on my new frame affect this? (Longer chainstay, less chainline problems?) And yea Frankie-B, i know why they made the H11 specific cranksets, thats why i ask.

"Campagnolo didn’t say how far their new chainrings were moved outboard to maintain ideal alignment, so we did the simple math. 5mm wider hubs. That moves the cassette 2.5mm outboard. So the chainrings just need to move the same 2.5mm outboard to again line up with the cassette. Ok, that is small, and explains why Campy said they were able to make the change without impacting the 145.5mm Q-factor of their cranks."

"Clearly with that little difference it probably doesn’t make sense to sell your Super Record cranks and buy a new set of H11s"


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PostPosted: Tue Sep 26, 2017 10:52 am 
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Joined: Thu Sep 21, 2006 8:54 pm
Posts: 1098
Location: Reading, UK
I'm running a bike with a normal Chorus chainset and a 12x142 rear hub. Rear shifting is just fine.

Admired the H11 chainset but ouchy price.


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