Campagnolo Super Record 12s Front Derailleur 12-Speed Braze-on CarbonCampagnolo Super Record 12s Front Derailleur 12 Speed Braze on Carbon. The Super Record 12 speed front derailleur was redesigned to work flawlessly with the 12 speed chain and chainrings with a focus on functionality and performance. A revised leverage system speeds up shifting performance with less effort required thanks to the split front link rod which avoids contact of travel limit screw. Unidirectional carbon fiber cage plate with aluminum clamp