This replacement rear hub carrier fits the Tamiya DT-03 chassis and is catalogued as JR-DT307-BK. Constructed from machined aluminum, the part replaces the original plastic mount where a metal mounting surface is required for the rear suspension and wheel spindle.
Installation is intended to be direct: remove the wheel and any obstructing drive components, swap the carrier, and reassemble. The aluminum unit supports maintenance and setup work, giving a more secure mounting point for tuning adjustments compared with stock plastic.
Installer tips: retain existing screws and spacers unless the replacement kit instructs otherwise, check bearing seating after refit, and verify there is no binding through full suspension travel. Use proper hand tools and tighten fasteners to the recommended feel without over-torquing.
Tuning note: switching to an aluminum carrier stiffens the rear pivot and can stabilise alignment under load, which influences how toe and camber changes translate to handling. Effects will vary with the rest of your suspension components.
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