The OSPW X for all SRAM Eagle AXS derailleurs features a narrow wide tooth profile to ensure durable chain retention. The 14 tooth upper and 18 tooth lower pulleys reduces chain drag while the custom designed carbon fiber pulley cage ensures both durability and light weight. The SRAM Eagle specific OSPW System is developed and designed in Denmark and comes with a 4 year warranty (standard) and a lifetime warranty (coated). FEATURES: Lightweight custom molded carbon fiber cage ensures durability Reduces friction 35-40% over stock pulley configuration Customizable spring tension for a personalized setup Included: Complete OSPW X for SRAM Eagle AXS system CeramicSpeed Oil for Pulley Wheel Bearings, 15 ml. dropper bottle SPECS: Discipline: Gravel, Cross, and Mountain Net Weight: 184 g Gross Weight: 270 g Pulley Material: Aluminum Derailleur Brand: SRAM Derailleur Model: Eagle AXS