Campagnolo Super Record Wireless Rear Derailleur – 12-Speed Medium Cage Carbon. The Campagnolo Super Record Wireless rear derailleur makes the most of Campagnolo state-of-the-art technology to guarantee maximum shifting performance. Thanks to the total absence of cables the component is easy to install and simple to maintain. Developed with user-centric design the Super Record Wireless rear derailleur is teamed with a battery (sold separately) delivering an autonomy of over 750 km. Charging times are also very fast with the batteries reaching 100% capacity in just 60 minutes. Battery charge level is easy to check either with the indicator LEDs on the component or with the MyCampy 3.0 app. The use of carbon fiber makes this component lightweight and yet robust resistant and reliable over time. A single rear derailleur that adapts to all three cassettes available: 10-25 10-27 and 10-29. Thanks to in-depth technical knowhow the Campagnolo Super Record Wireless rear derailleur always recognizes under which sprocket it is positioned in order to guarantee maximum shifting accuracy. This perfect alignment also provides the cyclist with optimum energy transfer and reduced tear and wear of the chain.

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