SRAM's X01 Eagle AXS is the electronic drivetrain for riders and racers who push for the purpose of gaining elevation. Whether having fun, progressing skills, or taking the win—X01 Eagle is designed and refined to support riders with the power of expanded capability. Details: X01 Eagle AXS Rear Derailleur Speeds: 12 Color: Lunar, Red Cage Material: Aluminum Pully bearings: Steel Max cassette teeth: 52 AXS POD Controller Orientation: Right Control points: Double Clamp: Discrete Lever adjust: No Multi-position: Yes Battery size: CR2032 Color: Black X01 Eagle AXS Upgrade Kit Includes Rear Derailleur with Battery Controller with clamp USB-C Charger (USB-C cord not included) Chain gap tool **Ground shipping only Compatibility: Cassette: Sram Eagle 12-speed cassettes Chain: Sram Eagle 12-speed chains