SRAM Centerlock External Spline Lock Ring

The SRAM Centerlock Rotor Lockring affixes your rotor to the wheelset via industry-standard centerlock threads. Sold Individually. Features: - Designed for use with SRAM Centerlock Rotors - Centerlock disc brake rotor lockring fits many wheels - Requires external lockring tool such as the Park Tool BBT-69.4 - 40Nm recommend torque