This 20T brake pulley serves as a replacement spare for XRAY NT1 braking assemblies and is supplied with the 3Racing part code XN1-46/RE. It is intended to fit the NT1 brake shaft and work with the adjacent brake linkage on 1/10-scale touring car chassis.
Use this pulley to replace worn brake drive components or to return the brake gearing to its original specification after linkage changes. The 20T tooth count is the essential engagement detail; check that the existing pulley is 20T before fitting.
Installation notes: remove the brake assembly from the chassis, mount the pulley on the brake shaft, and verify centring and clearance with nearby parts. After fitting, rotate the brake system through its travel to confirm smooth engagement and correct tooth mesh.
Tuning role: the pulley tooth count determines the mechanical leverage and feel of the brake train, so replacing like-for-like maintains the NT1 braking characteristics.
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