This aluminium front C-hub set is intended for the Traxxas TRX-4 trail and rock chassis and is designated JR-TRX411-BK. It replaces the stock plastic hubs to offer a firmer mounting point for the steering knuckle and to improve repeatability when negotiating technical obstacles.
Treat these as direct-fit TRX-4 parts but verify clearance and alignment with your existing knuckles and steering links during installation. As metal components, check screw torque carefully and confirm full-range steering clearance. Use standard RC fastening technique to protect mating threads and hardware.
In practical terms, aluminium hubs reduce flex at the hub interface which can stabilise steering geometry under load. That stiffer interface may change steering feedback and toe characteristics, so inspect wheel alignment and steering endplay after fitting and make adjustments to trims or link geometry if needed.
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