SRAM Eagle Derailleur Inner Pulley Cage Kit Description: This SRAM Eagle Derailleur Inner Pulley Cage Kit includes the inner pulley arm and upper/lower pulley bolts found on various SRAM rear derailleurs. Features: Derailleur Pulley Cage set for SRAM mechanical rear derailleurs Includes inner pulley cage arm and 13mm/14mm pulley bolts Compatible with SRAM Eagle GX, Eagle X0, Eagle XX, and S200 derailleurs Specifications: Material: 6061 Aluminum (Arm) Color: Black Model Compatiblity: RD-APX-1-D1, RD-APX-152-D1, RD-APX-EAGL-E1