Campagnolo Super Record Wireless Rear Derailleur - 12-Speed Medium Cage Carbon MFPN=98-36153-K001 The results of internal testing

The results of internal testing show an improvement in rolling performance of 5% with 2% savings in weight

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Campagnolo Super Record Wireless Rear Derailleur - 12-Speed Medium Cage Carbon MFPN=98-36153-K001 The results of internal testingCampagnolo 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)