SRAM T-Type Rear Derailleur Pulley Cage Kit Description: SRAM T-Type Rear Derailleur Pulley Cage Kits work to replace derailleur cages found on SRAM T-Type transmission derailleurs. Take full advantage of the re-buildability of SRAM UDH-style derailleurs and restore your derailleur to its original functioning capacity by restoring worn or broken parts. Features: Genuine replacement SRAM parts Replacement cage includes inner and outer cages, pulleys, and 3mm hex bit driver Damper not included Specifications: Material: Carbon Fiber Compatibility: GX Eagle (RD-GX-E-B1), XO Eagle (RD-X0-E-B1), XX Eagle (RD-XX-E-B1), XX SL Eagle (RD-XX-SLE-B1)