I've been using this setup on several bikes since the 13/29 became available
and I think it works quite well.
Ed S
> Date: Wed, 17 Dec 2008 09:09:34 -0800
> Subject: {BL} Re: Short Cage Campy
> From: [email protected]
> To: [email protected]
>
>
>
>
> On Dec 16, 2:07 pm, Brewster Fong <[email protected]> wrote:
> > On Dec 16, 1:20 am, Henry Graber <[email protected]> wrote:> I am
> > refitting 2 bikes. I have short cage Campagnolo 10 speed rear
> > > derailleurs for both. With a 13-29 cassette chain wrap would be only
> > > 16 (single front) on one bike and 20 (double front) on the other. Now
> > > Campagnolo recommends maximum 26T cog for short cage but with chain
> > > wrap numbers so small will a 29T cog work or is it likely to cause a
> > > problem?
> >
> > > I want the quickest and smoothest indexing possible even if I have to
> > > give up a gear (or 2) but if I can squeeze out another gear with no
> > > degradation of shifting feel then I'll go with 13-29.
> >
> > Hank,
> > I think you need to put the short cage rear der on and try it!
> > Remember, when Campy first came out with its 13-29 cassette, it spec'd
> > a *short cage* rear der. If you find later that the shifting is not as
> > quick or smooth as you like, then sell those ders and get yourself a
> > mediam cage. Good Luck! Brewster
>
> Hank - I agree with Brewster - you should try it to satisfy your
> suspicions.
> I used to think the derailer length between short to medium mattered
> to Campy shifting quality. Now I'm not so sure.
>
> I run a short RD with a 12-23 and a medium with a 12-26.
> When shifting is properly adjusted the medium works just as snappily
> as the short.
> The total capacities for my 12-23 gearing is 27, and for the 12-26
> it's 40.
>
> With your 4 tooth difference in the double chainring setup though a
> short length RD should work fine.
>
> Phil B
> >
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