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Roll Bar Overview:

XRAY X4 ’24 Rear UAM Anti-Roll Bar. These Under Arm Mount anti-roll bars are intended for the ’24 X4. The stock roll bar for the graphite and aluminum chassis is 1.2mm (XRA303832). Package includes one anti-roll bar.

Roll Bar Thickness:

Softest
Soft

1.1mm – XRA303831
Medium

1.2mm – XRA303832
Medium Stiff

1.3mm – XRA303833
Medium Hard

1.4mm – XRA303834
Hard

1.6mm – XRA303836
Hardest

1.8mm – XRA303838
Hardest

Effects of Rear Roll Bar Changes

Roll Bar

Characteristic
Softer

  • Increases chassis roll
  • Increases rear grip in corners
  • Decreases on-power steering
  • Car responds more slowly in changes of direction
Stiffer

  • Decreases chassis roll
  • Decreases rear grip in corners
  • Increases on-power steering
  • Car responds quicker in changes of direction

This product was added to our catalog on November 21, 2023

  • XRAY X4

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