These gun metal aluminium rear knuckle arms are engineered to replace the plastic knuckles found on Tamiya TT-02B and DF-02 chassis. They preserve factory geometry while delivering a tougher mounting location for the rear hub and wheel assembly.
Fitting is straightforward using the stock layout: remove the original plastic knuckles and install the alloy units with the chassis hinge pins and existing hardware. No major modification is required for standard TT-02B and DF-02 configurations, though check wheel offset and tyre clearance when using aftermarket wheels.
The primary benefit is improved durability and reduced hub pivot flex, which helps keep rear toe consistent and protects parts under heavier use. This makes the upgrade ideal where longevity and precise fitment matter.
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