The one with the longer cage?Originally posted by Ted B
How to visually differentiate a Campy Record Short Cage Rear Derailleur from a Medium Cage...
Anyone?
Originally posted by Ted B
How to visually differentiate a Campy Record Short Cage Rear Derailleur from a Medium Cage...
Anyone?
It has nothing to do with the 29-53. A short works most of the time with the 29. There is no downside to the medium,so if you plan on a 29,get it.Originally posted by Cipher
The short cage will work fine with the 13-26, and could conceivably work with the 13-29 as long as you were very careful not to use the 29 - 53 combination. ( The safer way to go would be the medium cage set-up).
Originally posted by dennis dee
The maximum cassette config Campagnolo recommends for the short cage is 13-26. Beyond this, the medium is recommended assuming one is using a double. For a triple set up with the lowest gear being 29 at the back, the long cage is recommended.
Maybe a short cage MAY *and thats a big MAY* work on a 29 but it is not recommended because of the severe articulation of the derailleur on a 53x29 combo. But having said that, I dont think anyone in their right mind will ever use such a combo because the chain angle will almost always result in a derailed chain.
Footnote: The effective gear for a 53 x 26 will give you 55.0. The same effective gear (about 55.4) will be found using a 39 x 19 combo. The latter will be more efficient even if the effective gear is the same simply because the chain angle will be less severe.
Plenty of people run the short cage with a 29 with no issues. There are some cases where it does not work if the derailer hanger is on the short side.Originally posted by Aztec
The medium cage barely handles the 29T when on the small ring. But it's because the upper pulley is pretty much sandwiching the chain between it and the cog (if that makes sense). I can't imagine the short cage would be a good idea. I have both on my two bikes, but I've yet to slap the 29T wheel on the shorty.
Only a moron would do that anyway. But I see plenty of them. Chain derailing is more BS than reality.Trimming takes care of derailer rub.And yes just not doing it is the right thing.Keep preaching it bro...But, the real reality is you should not be in the big/big even with a mediun or long cage.End of story.Originally posted by dennis dee
The short cage may work on a 13-29 cogset for as long as it is not used as a 53x29 combination. Why? because:
1) severe chain angle (it shortens chain life; risks chain derailment. At this angle the chain may just rub on the inner plate of the front derailleur - u dont want that).
2) a 39x21 will do the same job and is more efficient.
3) a 53x29 will essentially stretch the full articulation of the cage (this may shorten derailleur life; stretch or shorten cable life)
Originally posted by Ted B
I really appreciate all this useful insight, and there is a reason why I asked...
My present ride is a Bianchi EV4 with '04 Record, Hyperons, Selle Italia SLR.
Originally posted by boudreaux
Only a moron would do that anyway. But I see plenty of them. Chain derailing is more BS than reality.Trimming takes care of derailer rub.And yes just not doing it is the right thing.Keep preaching it bro...But, the real reality is you should not be in the big/big even with a mediun or long cage.End of story.
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