Old 07-31-10, 04:45 AM
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Torchy McFlux
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That looks like a Record braze-on derailleur (circa late 80's) that's been modified (professionally?) to work with a low-mounted braze-on boss, or - more likely - an oversized big chainring. Very interesting. I wonder if it came off a pro's bike.
If I were you, I'd email Campagnolo directly and see what they have to say.
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