The 12-tooth narrow-wide tooth profile ensures exceptional shifting performance. The narrow-wide design guarantees precise chain engagement, both when entering and exiting the pulleys. This product is designed, developed, and hand-assembled in Denmark and offers improved chain friction performance and greater longevity. These pulleys are only compatible with standard SRAM Red and Force eTap AXS derailleurs and are not compatible with SRAM XPLR or SRAM Red E1/Force E1/Rival E1 derailleurs. Package includes: Two 12-tooth pulleys Alloy spacer kit UFO TECH bearing oil, 15ml bottle. Pulley Decal