DuraAce brifter and trimming the front derailer

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"Eric Douglas" <[email hidden]> wrote in message
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Quoted message said:

As I understand it, the triple DuraAce brifter dues not trim. However, I remember using an double
105 brifter (97 model, I think) and I was able to trim the front derailer. as I'm hoping to use a
slightly mismatched setup, a 48 tooth large chainring with a DuraAce brifter, I foresee needing to
occasionally trim the front. Will this be possible?

ekdouglas-<< As I understand it, the triple DuraAce brifter dues not trim.

Nope, has trim in the big and middle chainring, ultegra for the middle only.

<< as I'm hoping to use a slightly mismatched setup, a 48 tooth large chainring with a DuraAce
brifter, I foresee needing to occasionally trim the front. Will this be possible?

If ya use a DA triple front der it 'should'...

Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302
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I have a 4 month-old Dura-Ace triple brifter and I can trim very well with it.

Actually it's somewhat of a pain because I have to trim it so often. I'm using it with a Ultegra
triple FD. I've seen suggestions on this newsgroup that the Dura-Ace triple FD cage is designed
differently the Ultegra model, so maybe the FD differences contribute to my frequent trimming.

r.b.

Peter Chisholm said:

[Dura- Ace triple] has trim in the big and middle chainring...

[snip]

The DA triple shifter trims on all three rings.

and 'r.b. said:

Actually it's somewhat of a pain because I have to trim it so often. I'm using it with a Ultegra
triple FD. I've seen suggestions on this newsgroup that the Dura-Ace triple FD cage is designed
differently the Ultegra model, so maybe the FD differences contribute to my frequent trimming.

The DA triple FD might indeed make a difference for you here, though of course, rings and chainline
are a consideration too.

In my experience, the trim window on a DA triple drivetrain is relatively large, without sacrificing
quickness or precision.

Nicholas Grieco

I run DA triple front d and rear d. Chainline is somewhat extreme on my bike. However, I believe I
get 1 trim on big ring and 1 trim on middle ring. I can trim to a point where I can get all cog and
ring combos without rubbing. I have Ultegra triple on another bike and find it requires far less
trimming. My next build will include double crank and mountain rear derailleur. I would like to have
low gears and see what it is like not have to shift and trim so much. That said, my DA triple works
well. I have considered installing an xtr bb, a little narrower than DA and Ultegra triple bb. This
might make for less severe chainline and perhaps a bit less trimming.

[email hidden] (Eric Douglas) wrote in message
news:<[email hidden]>...

Quoted message said:

As I understand it, the triple DuraAce brifter dues not trim. However, I remember using an double
105 brifter (97 model, I think) and I was able to trim the front derailer. as I'm hoping to use a
slightly mismatched setup, a 48 tooth large chainring with a DuraAce brifter, I foresee needing to
occasionally trim the front. Will this be possible?