2018 CAMPAGNOLO CHORUS 11S HO REAR DERAILLEUR : MEDIUM CAGE

The CAMPAGNOLO CHORUS Rear Derailleur uses some of the most advanced materials and design techniques available to provide the best possible shift quality in the lightest possible package. A refined parallelogram keeps the derailleur closer to your cassette. This allows for a more positive chain-to-cog engagement for improved power transfer and longer drivetrain life. A mix of carbon fiber plates monolithic polymer knuckles and an internal aluminum structure keep rigidity high for quick snappy shifts. A two piece aluminum fixing bolt is lighter than both steel and titanium while maintaining the stiffness necessary to withstand cross chained shifting under load. The redesigned limit screws are now accessed from the upper rear of the derailleur leaving the outer plate more aesthetically pleasing and use a 2mm allen key for adjustment. The lightweight polymer jockey wheels spin on bearings for low rolling resistance and increased durability. A finishing of titanium hardware is just one of