This JR-TFD01-GU front knuckle arm is an RC-scale replacement part designed for steering assemblies on select Tamiya 1/10 buggies. It is a direct drop-in style hop-up intended to replace the stock plastic knuckle arms to provide a more rigid mounting point between the steering hubs and suspension.
The arm is finished in gun metal and machined from aluminum to reduce flex under load compared with stock components. In practical tuning terms, a stiffer front knuckle arm helps maintain consistent steering geometry during heavy cornering and when running firmer suspension setups; it does not change suspension kinematic settings but can improve steering feel and durability.
Installation notes: check fit against your existing wheel hex and steering linkages, transfer any required bearings or retaining hardware from the original parts, and confirm servo horn clearance before final tightening. Use thread-lock on metal-to-metal fasteners where appropriate and torque to the fastener specs recommended by your chassis manual. This part is intended only for 1/10 scale RC buggies listed in compatibility and must not be used on real vehicles.
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