Campagnolo Chorus Rear Derailleur - 12-Speed MFPN=141-34005 }Shimano XT BL-M8100 Right Brake

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12 Diameter 5

Campagnolo Chorus Rear Derailleur - 12-Speed MFPN=141-34005 }Shimano XT BL-M8100 Right BrakeCampagnolo Chorus Rear Derailleur 12 Speed. The Campagnolo Chorus 12 speed rear derailleur features 3D Embrace technology and 12 tooth pulley wheels making it suitable for all cassettes as the distance stays optimum on each individual sprocket regardless of the cassette selected. Embrace technology not only keeps the rear derailleur vertically aligned in the perfect position for each sprocket it now makes the upper pulley wheel advance perfectly in