SRAM X01 Rear Derailleur Inner Cage/Pulley Kit (11 Speed) - 11.7518.030.000
SRAM X01 Rear Derailleur Inner Cage/Pulley Kit (11 Speed) - 11.7518.030.000, SRAM Derailleur Cage Kits. Features: Derailleur cage assemblies include inner cage, pulleys, and tension spring Specs: Model:X01 X-Sync 11speed Description:rear derail cage kit, X-Sync pulleys