COMPLETELY BLACK, THE SUPER RECORDtm REAR DERAILLEUR BOASTS INNOVATIVE PARALLELOGRAM GEOMETRY. THE RESULT IS OPERATION WITH ABSOLUTE PRECISION. The carbon outer plate wraps around the metal body and executes the commands from the Ergopowertm UltraShifttm controls with precision. Maximum smoothness for the cage pulleys made of antivibration material. Practically perfect from every point of view. This is the fulcrum of the 11speed systems. The 11speed rear derailleur has a forged alu
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