The Campagnolo Centaur 11 Rear Derailleur features lightweight technopolymer upper and lower bodies reinforced with glass fiber for reduced weight and increased strength. With the same shape as Super Record, it also offers similar shifting performance.
Features:

Upper pulley wheel with longer teeth for easier rear shifting
Lower pulley wheel with chamfer teeth for increased smoothness
Pulley wheels with bushings
Specifications:
Speed: 11 Speed
Shifter Compatibility: Campagnolo Centaur/Potenza/Chorus/Record/Super Record (2015 )
Shift Mechanism: Cable Actuated
Max. Tooth: 32T
Min. Tooth: 11T
Chain Wrap Capacity: 37T
Cage Material: -
Chain Retention: -
Color: Black
Weight: 230g