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performance difference between short cage/medium cage Campy rear derail.
Hello
upgrading from 8speed Chorus to 10 speed Record and trying to educate myself to the different cage lengths for campy rear derailluers. I want to run a 12-25 cassette and from what I read online about cage lengths, the Campy short cage length would work fine, being able to throw the chain to a 26t while the medium can throw the chain up to a 29t(if I remember correctly). Other than this, any difference in performance between a short and medium cage length? I don't expect to use anything higher than a 26t as that my local bike shop recommended the 12-25 for the terrain around where I live....I would think someone would use a medium length cage so to use a more variety of cassettes...thanks in advance for your advice/info -Mike |
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#3
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performance difference between short cage/medium cage Campy rearderail.
wrote:
upgrading from 8speed Chorus to 10 speed Record and trying to educate myself to the different cage lengths for campy rear derailluers. I want to run a 12-25 cassette and from what I read online about cage lengths, the Campy short cage length would work fine, being able to throw the chain to a 26t while the medium can throw the chain up to a 29t(if I remember correctly). Other than this, any difference in performance between a short and medium cage length? I don't expect to use anything higher than a 26t as that my local bike shop recommended the 12-25 for the terrain around where I live....I would think someone would use a medium length cage so to use a more variety of cassettes... Short (55mm) cage minimum 11t, maximum 26t, total capacity 27t with a max front range of 14t. Medium(72mm) cage minimum 12t, maximum 29t, total capacity 36t with a max front range of 14t Various Campagnolo publications move those numbers slightly - sometimes the medium cage is rated for minimum 11t for example- but you get the general idea. And those numbers are conservative. When you change cassettes, ensure your chain is the correct length (span big-big and add 2 rivets) and try it on the bike stand in all combinations before riding. -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
#4
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performance difference between short cage/medium cage Campy rear derail.
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#5
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performance difference between short cage/medium cage Campy rear derail.
When you change cassettes, ensure your chain is the correct length (span big-big and add 2 rivets) and try it on the bike stand in all combinations before riding.
Andrew, (or anyone that know) is that going around the big-big without the derailleur and adding 2 rivets? I've used the method with the derailleur, but it can be a pain to hold the D stretched out while deciding exactly how many links to remove. |
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