SRAM Red eTap 11V Carbon Rear Derailleur Black

The SRAM Red eTap 11V Carbon rear derailleur shifts the instant you demand it. Wirelessly. It's easy to install, clean-looking and delightfully simple. Mechanical necessities such as a carbon cage, ceramic pulley bearings and anodised alloys are ingeniously combined with patented electronic advances to deliver a game-changing wonder.Features:- Use: Road- Speed: 11V- Maximum tooth: 33Carbon- SRAM eTap shifting logic and wireless operation- Fits all SRAM 11-speed road cassettes up to 11-32- 2x and 1x compatible- Upgraded version of the original SRAM Red eTap rear derailleur- Orbit chain management technology keeps the transmission quiet and safe- X-SYNC pulleys and larger ceramic bearings for increased durability and efficiency- Compatible with existing eTap batteries- Battery not included