SRAM, Red XPLR eTap AXS, Rear Derailleur, Speed: 12

• Wireless electronic eTap shift logic for intuitive shifting, easy setup and reliability • Orbit chain management technology keeps the drivetrain quiet and secure • 1x specific for use with 10-44 XPLR cassettes and 10-36 cassettes • SRAM AXS enabled, allowing easy personalization • Larger X-SYNC pulleys for increased durability and efficiency • Compatible with existing eTap batteries (battery not included) • SRAM Model ID: RD-RED1-E-D1