![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 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](https://preview.redd.it/new-to-centerlock-disc-brakes-the-tool-does-not-fit-over-v0-h2kn2jex14ia1.jpg?auto=webp&s=d8f566b56273197e31cbd152046ecae39e1b8520)
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
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