The JR-TRX404-BK is an aluminum T-Lock style 2-speed servo mount built for Traxxas TRX-4 models. Finished in black, it is intended for scale and trail crawler builds that require a compact metal mount to secure T-Lock or 2-speed servo arrangements while maintaining a low profile on the chassis.
Fitting normally replaces the stock servo mounting footprint with this aluminum unit; align the plate to the TRX-4 servo bay and fasten using the chassis mounting points where possible. After installing, verify horn clearance and linkage geometry to prevent binding through the servo's full travel.
As an upgrade, JR-TRX404-BK reduces mounting flex and provides a more rigid base for consistent actuation in locked-transfer setups or when using larger servos. It is a fitment-focused hop-up rather than a device to change servo electrical requirements.
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