This front lower suspension arm mount is intended for the TAMIYA BB-01 (BBX) chassis and is listed as model JR-TBB03-GU. Constructed from aluminum with a gunmetal finish, it is a replacement for the standard plastic mount to offer improved durability and steadier mounting geometry.
Fitment is straightforward as a direct replacement, using the chassis' existing fastener locations and typically the original screws. During installation ensure correct alignment and follow sensible torque practices to avoid impacting steering or suspension travel.
The part is used in repairs and tuning to reduce lower arm flex, keep pivot points accurate under load, and ensure repeatable assembly during routine maintenance. It is produced for scale RC use only and is not suitable for road vehicles.
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