This 19T spare is supplied to replace the original pulley on XRAY NT1 brake assemblies used in electric RC models. It is positioned as a service part for upkeep and repairs, not as a performance upgrade.
Fit and role: intended to mesh with NT1 brake components, the pulley helps recover consistent braking action when a worn pulley is swapped out, aiding predictable performance during track sessions.
Installation notes: confirm correct alignment with the brake shaft and any retaining clips, check for free rotation after mounting, and verify the brake linkage operates without binding. Regular inspection will keep braking consistent.
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