This 20T brake pulley is provided as a spare for XRAY NT1 braking assemblies and carries the 3Racing part code XN1-46/RE. It is intended to fit the NT1 brake shaft and interface with the brake linkage on 1/10 touring car chassis.
Fit this pulley to replace worn brake drive parts or to restore the original gearing after linkage modifications. The 20T tooth count is the main engagement parameter; confirm a match with the current pulley prior to installation.
Installation notes: remove the brake assembly from the chassis, install the pulley on the brake shaft, and verify centring and clearance relative to surrounding components. Once fitted, rotate the brakes through their range to ensure smooth engagement and correct tooth mesh.
Tuning role: tooth count influences the brake drive interaction and leverage, so replacing with the same 20T pulley retains the NT1 braking response.
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