The XRAY 303836 rear anti-roll bar is a compact upgrade for X4 users who want crisper turn-in and reduced body roll. Mounted below the suspension arms, the 1.6mm bar lowers roll centre and assists in keeping the chassis flat through bends.
Installation is straightforward and adjustments are intuitive. Ball-bearing mounts give a positive, low-friction action and the height is set via a screw adjuster so you can tweak balance quickly between runs.
Laser-engraved stripes on each bar show the exact thickness, making it easy to swap components and remember which bar produced which handling changes during testing.
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