Campagnolo Super Record EPS 12s Rear Derailleur, 12-Speed, Carbon EA Rear Derailleur

Using 3D Embrace technology the inner mechanism embraces more teeth per sprocket thanks to the advanced position of the upper pulley The 12-tooth pulley wheels allow for the integration of larger cassette range while keeping chain length the same Upper body adjustments allow you to set the perfect position whether you're riding an 11-29 or 11-32 tooth cassette An upper body return spring absorbs the energy of any bumps, preserving the hanger, and bringing the derailleur back to position An aluminum upper body provides high resistance to impacts and greater stiffness The lower part of the body is made of ultra-light technopolymer, reinforced with long carbon fibers