Campagnolo Chorus QS front derailleurs. Quick Shift (QS) engages front derailleur faster and smoother than previous versions.
·Chorus QS
·Quick Shift (QS) engages front derailleur faster and smoother
·QS front derailleurs and Ergopower levers interchange with the non-QS versions
·Crank/FD Type: Road Double
·Chain Compatibility: Campagnolo 10/9-Speed
·Front Derailleur Cable Pull: Bottom
·Max Ring: 54 teeth
·Derailleur Capacity: 15
FD/Shifter Compatibility: Campy Ergo Double