• Wireless electronic eTap shift logic for intuitive shifting, easy setup and reliability
• Compatible with both 1x and 2x drivetrains
• 36t cog max derailleur works with 10-28, 10-30, 10-33, and 10-36 cassettes
• SRAM AXS enabled, allowing easy personalization
• Chain management keeps the drivetrain quiet and secure
• X-SYNC pulleys for increased durability and efficiency
• Battery and charger sold seperately