XRAY 303838 - X4 1.8MM Rear Anti-Roll Bar UAM Performance Bar  [XR-303838]

Tune rear roll on your XRAY X4 with the 1.8MM under-arm bar

The XRAY 303838 - X4 Anti-Roll Bar UAM is a compact solution for improving rear-end balance on the X4 chassis. Its under-arm location reduces the effective center of gravity to help control body roll without raising the bodyline.

Ball-bearing mount for accurate adjustments

Mounted with external bearings on the bulkheads, the anti-roll bar turns freely and provides repeatable feel while you test different stiffness levels. This is ideal for racers who swap bars between heats.

Clear marking and simple height tuning

Laser-engraved identification marks show the exact thickness and speed up setup choices, and a single screw lets you raise or lower the bar to refine roll distribution to match track conditions.