This front lower suspension arm mount is crafted for the TAMIYA BB-01 (BBX) chassis and sold under the model JR-TBB03-GU. Built from aluminum with a gunmetal finish, it replaces the original plastic component to offer firmer support and consistent geometry for fine suspension tuning.
The part is intended as a direct substitute for the stock mount, using the existing chassis mounting points and original hardware. During installation check that the mount lines up correctly and that bolts are torqued to appropriate settings to protect steering feel and suspension travel.
In repair and tuning situations the aluminum mount reduces flex at the lower arm pivot and ensures repeatable placement when components are swapped or setup changes are applied. This is a model-only upgrade and is not suitable for real-world vehicle use.
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