This is a scale RC brake pulley intended for use on Team XRAY NT1 brake assemblies, supplied under the 3Racing part number XN1-47/RE. The 21-tooth pulley serves as a direct-replacement component within the NT1 braking mechanism and is designed to support consistent brake actuation and fine tuning of pedal feel on model cars.
Installation notes: replace the existing pulley following standard RC teardown steps, inspect the related走珠軸承 and brake arm for wear before fitting, ensure proper alignment with the braking cable or linkage, and secure fasteners to manufacturer-recommended tightness without over-torquing. This product is an RC-scale accessory and is intended only for model use.
Tuning role: changing or renewing the pulley can affect brake engagement characteristics and consistency under repeated use. Use the pulley to adjust braking response by checking lever geometry and linkage free play, and combine this part with routine maintenance such as bearing cleaning and lubrication to keep braking behaviour predictable.
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