SRAM Force AXS Rear Derailleur Pulley Kit Description: The SRAM Force AXS Rear Derailleur Pulley Kit is an OEM replacement set of pulleys for the SRAM Force AXS E1 12-speed rear derailleur. The kit includes everything needed to replace both pulleys on the derailleur should the stock units become damaged or worn out. Features: Replacement pulleys for SRAM Force AXS E1 12-speed rear derailleurs Composite pulley teeth operate quieter than metal pulley teeth and reduce wear and tear on the chain Sealed, steel cartridge bearings ensure smooth operation and low maintenance Larger 12T and 14T pulleys reduce drivetrain drag and improve shifting performance Includes (1) 12T Upper Pulley w/ Steel Sealed Bearing (1) 14T Lower Pulley w/ Steel Sealed Bearing (4) Bearing Covers (1) 18.5mm Steel Pulley Screw (1) 12.8mm Steel Pulley Screw