This aluminum front C-hub set is made for the Traxxas TRX-4 scale trail chassis and carries the JR-TRX411-BK identifier. It replaces the factory plastic hubs to give a firmer mounting point for the steering knuckle and a more consistent hub interface during technical crawling.
Fitment is intended to be direct to TRX-4 mounting points, but confirm alignment with your existing knuckles and linkage during installation. As these are metal components, check hex screw torque and ensure steering links clear the hub throughout travel. Follow standard RC assembly practice when tightening fasteners to avoid thread or hardware damage.
From a tuning perspective, moving to aluminum C-hubs reduces local flex and helps hold steering geometry under stress, which can change toe and steering feedback. After installation, re-check wheel alignment and steering endplay, and adjust transmitter trims or link positions as needed for predictable handling.
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