Product DescriptionThis SRAM X-Sync Pulley Assembly is a genuine replacement pulley set for compatible SRAM 11-speed rear derailleurs. It is designed as an original equipment replacement for select NX1 and Apex 1 derailleur applications, making it a straightforward option for restoring drivetrain performance on worn or damaged pulley setups. Built for proper fit and function on compatible SRAM drivetrains, this assembly is a practical service part for 1x road and mountain setups using these derailleur platforms. Key Features Genuine SRAM X-Sync pulley assembly Original equipment replacement part Fits select SRAM NX1 and Apex 1 rear derailleurs Designed for 11-speed drivetrains Helps restore proper derailleur pulley function and drivetrain performance SRAM part number: 11.7518.072.000 Specifications Brand: SRAM Product Type: Rear Derailleur Pulley Assembly Pulley Style: X-Sync Fits Brand: SRAM Drivetrain Speeds: 11 Manufacturer Part Number: 11.7518.072.000 CompatibilityCompatible with: Select SRAM NX1 rear derailleurs Select SRAM Apex 1 rear derailleurs 11-speed SRAM derailleur applications using this pulley assembly Please confirm exact derailleur compatibility before purchase. Included SRAM X-Sync pulley assembly Warranty and Notes Genuine SRAM replacement part for compatible rear derailleur service Includes only what is shown or described Condition New Genuine OEM product Includes only what is shown or described