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09-28-04, 05:10 PM
Hi, I'm looking to replace a Shimano Sora derailleur with an older Dura Ace 6-speed derailleur I came across on eBay. I have a 7-cluser Dura Ace cassette, does anyone know of any compatibility issues? Sheldon Brown has a good article (http://www.sheldonbrown.com/dura-ace.html) that I hope is correct, but I'm not certain what year the components were manufactured. Any experience or insight is appreciated.