This aluminum rear knuckle arm is an RC-scale spare part intended for use on TAMIYA TT-02B and DF-02 chassis, listed as model JR-TT2B03-BK. It provides a metal substitute for the original plastic arm to give a firmer pivot point and more predictable setup behavior during tuning.
The item targets rear suspension and steering link geometry where reduced flex can change camber and toe under load; use it as part of a handling setup strategy to achieve steadier rear traction and repeatable adjustments.
Installation notes: built for the rear knuckle arm location on the specified chassis. Use the vehicle manual for correct removal and fitting steps, confirm correct fit and alignment, then recheck fastener security after a short run session.
Compatibility
Compatible with Tamiya TT-02B and DF-02 chassis as identified in the product name.
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