Michael Warner
Posts 122
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Hi James,
EX seems to have been an early generation of DA, introduced in the late 70s. Here are a couple of links that might interest you:
http://www.disraeligears.co.uk/Site/Shimano_Dura-Ace_EX_black_derailleur_(7200).html
http://www.tearsforgears.com/2005/09/dura-ace-7400.html
Since the drivetrain wouldn't be compatible with anything now on the market, you might do better to sell the parts to retro
builders or collectors on ebay, and rebuild the bike with something current. But if the frame has horizontal rear dropouts, the
fixie crowd will pay good money for it.
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