New to centerlock disc brakes. The tool does not fit over the rear hub axle nut. What am I doing wrong? Do I need the externally serrated lock ring? The rotor is
Two New Terske Travel Tools from Lindarets - BIKEPACKING.com
Centerlock Rotor Lockring – External Spline
Disc Brake Rotor Removal & Installation | Park Tool
Which tool to remove a Shimano Center Lock brake disc? - Bicycles Stack Exchange