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 NX, Eagle SX, and S100 derailleurs Specifications: Material: Steel (Arm) Color: Black Model Compatiblity: RD-APX-XPLR-E1, RD-SX-1-A1, RD-SX-1-B1