campagnolo front derailleur range

"Scott Harper" <[email hidden]> wrote in message news:<[email hidden]>...

Quoted message said:

I am trying to put together a tandem using a Campagnolo
drivetrain. I think that I have overcome the major
hurdles, but I am still hung up about the front
derailleur. I would like to run with 50-38-24 chainrings,
but this exceeds the range specs for the Campy triple
front derailleurs. Will this combination work? Any
recommendations on a particular model Campagnolo front
derailleur?

Thanks, Scott Harper

Scott my Centaur FD and crank with 50-40-26 work perfectly
(not usre abiut a 24). The rear is XT 12-32. I use a chain-
watcher to manage the big drop from 40 to 26 teeth.

scott-<< I would like to run with 50-38-24 chainrings, but
this exceeds the range specs for the Campy triple front
derailleurs. Will this combination work? >><BR><BR>

Use any Campagnolo triple front der. Remember that
Campagnolo makes a 50/40/30, and I have swapped the 30 for a
26, with fine results using a Campagnolo triple front der,
any of them.

Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St.
Boulder, CO, 80302
(303)440-3535 vecchios.comvecchios.comOpen ↗ "Ruote convenzionali
costruite eccezionalmente bene"

Fred Roses said:

Scott my Centaur FD and crank with 50-40-26 work perfectly
(not usre abiut a 24). The rear is XT 12-32. I use a chain-
watcher to manage the big drop from 40 to 26 teeth.

Chain-watcher?

Walter Mitty said:

Fred Roses said:

Scott my Centaur FD and crank with 50-40-26 work
perfectly (not usre abiut a 24). The rear is XT 12-32.
I use a chain-watcher to manage the big drop from 40 to
26 teeth.

Chain-watcher?

Dear Mr. Thurber,

Like train-spotters, chain-watchers are mechanical voyeurs.
They attend the Tour and exclaim to each other, "Ugh--PC-48!
Look, Wipperman nickel plated! Oooh, it's a $300 titanium
job with holes in the side plates!" During the off-season,
they furtively haunt chain-saw competitions and--

Oh, you meant to ask about chain-keepers, the pocket-
protectors of the bicycle world.. Sorry.

They're plastic dinguses that mount around the bottom of the
seat tube next to the front sprockets. Looking down at them,
they resemble a comma wrapped around the frame:

_____________ sprocket (imagine a chain)
_______
/ \ chain keeper (imagine a seat tube) \____/

You rotate them until the tail of the comma almost touches
the top of the smallest chain-ring just under the chain,
leaving no room for the chain to fall off and land on the
bottom bracket--it just hangs on the chain-watcher, high
enough and close enough to the sprocket to be shifted back.

Google for Deda Dog-Fang (dog-fang sounds more ferocious
than comma-tail), and you'll see an example. They protect
paint jobs and are even semi-built-in to some carbon frames,
but the real advantage is that they let you recover a chain
dropped off the front sprocket by fiddling with a gear-shift
instead of stopping to wrestle with an oily chain.

Carl Fogel