SRAM Paceline 160mm Brake Disc Rotor Used for less than 100 kms The lock ring is brand new. Any questions ping me a message SRAM Paceline E1 Centrelock Rotor The SRAM Paceline E1 Centrelock Rotor complements the refined aesthetics of SRAM AXS road groupsets and features a vented brake track design for smooth, quiet braking. An updated aluminium carrier reduces weight by 20 grams compared to the previous version, enhancing overall performance without compromise.