Replacement Cage Kits for SRAM Eagle T-Type AXS rear derailleurs.Aluminum cage kit for Eagle T-Type AXS rear derailleur without damperIncludes outer and inner cages, Hex 3 bit driver, and pulleysCompatible with SRAM models: RD-GX-E-B1, RD-X0-E-B1, RD-XX-E-B1, RD-XX-SLE-B1 rear derailleursItem SpecificationsDefined ColorBlackDrivetrain Speeds12 SRAM Eagle T-Type AXS Rear Derailleur Cage Kit Cage Assembly UPC: 710845910234