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PostPosted: Mon Apr 24, 2017 10:29 am 
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Joined: Thu Sep 23, 2010 5:47 pm
Posts: 39
Im checking out a friend's bike to see that he has a post 2015 Chorus rear mech when everything else is pre 2015. He says the gears work much better since the mech was changed (I dont know how bad they were before). Can I expect to achieve perfect shifting with this combination? I know Campag say the two should not be mixed...


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PostPosted: Mon Apr 24, 2017 2:58 pm 
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Joined: Sun Mar 16, 2014 3:43 pm
Posts: 706
Camapagnolo? Whats that?

You should be banned for 5 years . . . . . . lol :mrgreen:


(Graeme's posting history is a reliable source of information for those with Campagnolo related questions)

graeme_f_k wrote:
2014 and previous Ultrashift levers with 2015 mechs:

FD - tends to throw chain off to the inside - the 2 click" bar on the LH shifter is designed to stop this. The 2015 mech is more prone to doing this as the derailleur cage and the gate through which the chain passes is narrower than it's predecessor, so that with the correct shifter it controls the chain better on downshift, whilst contributing to a sharper upshift.

RD - cable pull ratio is different - the shift 1-> can be dialled in, 2->3 is "OK", 3->4 is barely acceptable, 4->5 very poor, mech skips a sprocket in the middle of the cassette, then 6->7 back to barely acceptable and so on. So don't do it. Pointless.

2014 and previous mechs are freely available from the factory and any ProShop or come to that, any other retailer can order through the normal supply channels. From a retailer perspective, there are some sales guys at the distributors who haven't read the memo and think that the 2014 mechs are discontinued in production but this is not the case - they *do* now have to be ordered as a "spare part", not as a "stock item" in Campagnolo's ordering system, that is all.


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Posted: Mon Apr 24, 2017 2:58 pm 


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PostPosted: Mon Apr 24, 2017 3:56 pm 
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Joined: Fri Dec 11, 2009 10:38 pm
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Location: Welland, Ontario
In discussing compatibility issues Graeme sometimes deals in fine degrees of perfection, that us mere mortals would not notice. In this matter though
he seems very adamant that it won't work.

2 questions:

why was the RD changed out?

has the hanger alignment been checked?

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