I know that the r.der. geometry is more important than chain length, but if you're going to change
out to bigger cassettes, you need a longer chain. Don't want to force your chain up around your big
sprocket and get things stuck there. Seen it done, its not a pretty sight if you don't know what
you're doing.
"Lee Bower" <
[email protected]> wrote in message
news:[email protected]...
> Like Mike J said, it's not a matter of chain length, it's the swing angle
of
> the derailleur. Most road derailleurs (I know that they vary) will swing down only enough to clear
> a 27 tooth (or so) sprocket. If there is not enough room (again, it's not a chain length issue!),
> the derailleur will swing down and hit the gear, not allowing the chain to switch over.
>
> Lee Bower
>
> "Mike S." <mikeshaw2@coxDOTnet> wrote in message
>
news:[email protected]...
> > 105 triple should work. Make sure you have enough chain...
> >
> > Its not the gears in the middle, but the largest sprocket a derailleur
> will
> > work with. Short cage road derailleurs don't wrap enough chain for
bigger
> > than 28t (or so) sprockets.
> >
> > Mike
> >
> >
> > "Ken" <
[email protected]> wrote in message
news:[email protected]...
> > > "Mike S." <mikeshaw2@coxDOTnet> wrote in
newsZw2a.22289$q91.2245408 @news2.west.cox.net:
> > > > It'll fit, but you're going to have to run a long cage r.der. and a
> > longer
> > > > chain. If you don't want to go that far, a 30t may fit, but a 28t will fit
> > better.
> > >
> > > Thanks for the response. Will a 105 triple derailleur work, or do I
> need
> > a
> > > MTB derailleur? Also, what do you mean by "better" in this case? I
> would
> > > like it so shift easily and quietly, but I'm not racing and don't need lightening fast shifts.
> > > Thanks.
> > >
> > > Ken
> >
> >
>