Gear Shift Probs'. !!!

[yenrod]

I've a DuraAce deraileur connected to Tiagra STi's:

I used it up until switching the bike to the new frame...and prior to the switch it was always a bit 'chancey' on the gears but they would shift...now though it's starting to do my head in - to the point that a friend who had a look at the gears mentioned 'is the r.deraileur a 9 speed variant' - I know for a fact the model is not !

Have I answered my own quesiton here

As I've always been of the opinion that a gear mechs - a gear mech and should be able to be of use on any g.set or am I definately WRONG

 

[yenrod]

I've a DuraAce deraileur connected to Tiagra STi's:

I used it up until switching the bike to the new frame...and prior to the switch it was always a bit 'chancey' on the gears but they would shift...now though it's starting to do my head in - to the point that a friend who had a look at the gears mentioned 'is the r.deraileur a 9 speed variant' - I know for a fact the model is not !

Have I answered my own quesiton here

As I've always been of the opinion that a gear mechs - a gear mech and should be able to be of use on any g.set or am I definately WRONG

 

[SimonC]

Sure I've read recently that old dura-ace is a different pull ratio, might even have read it on here somewhere, or maybe bikeradar forum. Sure I read it somewhere though.

Campag man meself, which of course is a different pull ratio to Shimano.

 

[SimonC]

Sure I've read recently that old dura-ace is a different pull ratio, might even have read it on here somewhere, or maybe bikeradar forum. Sure I read it somewhere though.

Campag man meself, which of course is a different pull ratio to Shimano.

 

[Chrisc]

Sheldon Brown may be abe to shed some light. Pre 97 Dura Ace will only work with matched shifters.

http://www.sheldonbrown.com/dura-ace.html

 

[Chrisc]

Sheldon Brown may be abe to shed some light. Pre 97 Dura Ace will only work with matched shifters.

http://www.sheldonbrown.com/dura-ace.html

 

[fossyant]

You are right. 7400 series doesn't work with other shifters.

 

[fossyant]

You are right. 7400 series doesn't work with other shifters.