Let your bike be the tool
Joined: Jun 2006
Posts: 1,104
Likes: 683
From: NC/SC border
Bikes: '66 Raleigh Carlton, '70 Ron Cooper, '95 Bianchi CD'I, "Bottecchia" Zonal Frame with Xenon gruppo, "Bottecchia"Carbon Frame with Record Gruppo, Columbia Twosome, Terry Classic, Bianchi SX, Gravity SS/FG, Titanium "Motobecane" with Ultegra DI2
You could buy a clamp-on derailleur and transfer it to the braze-on base if that part is still good on your existing derailleur. Look at the appropriate replacement parts diagram PDF on the Campagnolo web page and you can see that the two types are mostly the same.
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Never try to teach a pig to sing...