Campagnolo Record Front Derailleur. Anyway, it is a replaceable part (thus the screw). K-Edge Chain Catcher .
Chain Catcher for Campagnolo Record Front Derailleur 10 Speed QS 2008
VERY RARE 1978 CAMPAGNOLO "Record" Front Derailleur 4 Hole
Campagnolo * Record * Front Derailleur Clamp (2002) NOS
*NOS Vintage 1980s Campagnolo Record front derailleur braze-on kit upgrade*
Campagnolo Record Front Derailleur Braze On NOS Boxed retro Vintage
Vintage Campagnolo Record Front Derailleur Cable Guide Bottom Pull 28.6 mm C3
