JonnyG said:
I'm planning the build of a new road bike and at this moment, I'm leaning toward Campy 10 speed for the drive train. I've noticed there is still pretty good availability of (older) Record and Chorus 10 speed at many retailers, and the prices seem reasonable. I'm completely new to Campy however, so this is the reason for my post. I'm sure this question has been asked many times before, but the search engine won't allow me to search on two characters. The two characters I'm concerned with are "QS". From what I've read so far, QS means quick shift. This was an attempt to improve the shifting and shorten the travel of the front shifter, starting in 2007 I believe. It's seems a bit unclear to me whether this change was actually seen as an improvement. So the questions... (specifically for Chorus and Record shifters).
Do both the QS and pre-QS shifters have the same ratchet mechanism, or is one of them more of an indexed system (which I don't want)?
Do they have the same basic feel to them (except for the amount of travel)?
Is one more durable or servicable?
Are the QS shifters the better shifters to get, or should I go back to the 2006 models? Explain why.
There are QS shifters, and then there are QS shifters ...
If the LEFT shifter only has a 'QS' emblazoned on it, then the shifters are derived from the oft maligned Campagnolo Xenon shifters.
[INDENT]The Campagnolo Xenon shifter's mechanism is actually quite elegant, but it was NOT made to be serviced because the secondary post on which a part of the mechanism pivots is press-fitted into the handle, so replacing the pivoting parts is not practical -- so, if/when something goes amiss, the entire handle needs to be replaced. That is, like the Shimano & Sram shifters, the Xenon-based shifter becomes a paperweight or part of the community landfill.
The soon-to-be-released Power Torque shifters have been outwardly described as having the same shifting characteristics as the Xenon-based shifters so it is generally presumed that they will be Xenon-based. Presumably/(hopefully!), the "post" in the the Power Torque shifter is threaded into a metal boss and thereby making the shifter serviceable; but, they may not be.
Because the Xenon-based shifters are Triple-capable (this is true with Shimano shifters which can handle Triples, BTW), they can be used with a DOUBLE crankset with almost any front derailleur & almost any chain by utilizing the "extra click(s)" that would be normally used to move the chain onto the third chainring. When used with a TRIPLE crankset, you must use a specific front derailleur & specific chain with the QS shifters.
The 2007/2008 Chorus shifter was apparently emblazoneed with "Ultra QS" to provide some credibility (i.e., marketing continuity) to the Xenon-based QS shifters (Centaur QS, Veloce QS, Mirage QS). The Chorus shifter has the standard Campagnolo mechansim ...
[/INDENT]The standard Campagnolo LEFT shifter can be used with any front derailleur & chain ... the limitation is that you wouldn't want to use a significantly wider chain than the derailleur normally uses because of chain rub (e.g., you wouldn't want to use a 5-speed chain with an 10-speed Shimano front derailleur BUT you could use a truly vintage 5-speed front derailleur with a 10-speed chain).
FWIW. The Campagnolo 10-speed RIGHT shifter (either "standard" or "QS"😉 can be readily indexed to 8-/9-speed Shimano drivetrains (and, therefore to 7-speed Shimano drivetrains), presumably (i.e., untested) the 10-speed Shimano drivetrain, and the 10-speed SRAM drivetrain; so, the "standard" 10-speed shifters are (IMO) almost universal ...
[INDENT]THIS IS NOT AN ISSUE FOR MOST CAMPAGNOLO USERS, but it means that people who mistakenly choose Shimano or SRAM shifters can subsequently migrate to Campagnolo shifters without buying new derailleurs/wheels ...
ALSO, Campagnolo's largest available rear cog is currently a 29t ... a 32t 8spd cog was made for Campagnolo's short-lived MTB component group.
[INDENT]I equip most of my Road bikes which have Campy shifters with MTB cassettes (e.g., 11-32) & Shimano derailleurs.
[/INDENT][/INDENT]Because the standard Campagnolo shifters can be serviced/rebuilt (and because they suit my specific drivetrain needs), IMO, the standard Campagnolo shifters are therefore preferred over the QS-versions.