The Campagnolo Chorus 11 rear derailleur has been completely redesigned, both inside and out, featuring technology from its older siblings Record™ and Super Record™. Now the only practical difference between the Chorus rear derailleur and Record or Super Record is weight, resulting from a difference in materials. How much weight? 13 grams and 17 grams respectively.
At the heart of the redesign is the reshaped parallelogram mechanism, which now sports a new angle, bringing the chain closer to the cassette across all gears. This change results in better power transmission, improved traction and greater durability. On top of this, the springs have been reworked, now featuring a rectangular cross-section, resulting in much faster shift action.
The parallelogram and cage of the Chorus 11 rear derailleur is made of carbon fiber, while the upper and lower bodies are made from a lightweight, durable technopolymer that will stand up to the elements and daily use.
The Campagnolo Chorus 11 rear derailleur is only compatible with other Campagnolo Super Record, Record or Chorus drivetrains from 2015 or newer.