SRAM RED AXS Rear Derailleur – 12-Speed Medium Cage 36t Max Battery Not Included BLK E1

The heart of the AXS ecosystem is lighter, more efficient, and more capable than ever. Covering cassette ranges from 10-28T up to 10-36T, this wireless wonder has larger pulleys to increase drivetrain efficiency, and an Orbit fluid damper to keep everythin