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Roll Bar Overview:

XRAY X4 ’24/’25 Front UAM Anti-Roll Bar. These Under Arm Mount anti-roll bars are intended for the ’24 and ’25 X4. The stock roll bar for the graphite chassis is 1.2mm (XRA302832) and the stock roll bar for the aluminum chassis is 1.3mm (XRA302833). Package includes one anti-roll bar.

Roll Bar Thickness:

Softest
Soft

1.1mm – XRA302831
Medium

1.2mm – XRA302832
Hard

1.3mm – XRA302833
Hardest

1.4mm – XRA302834
Hardest

Effects of Front Roll Bar Changes

Roll Bar

Characteristic
Softer

  • Increases chassis roll
  • Increases off-power steering into corner
  • Increases front grip in corners
  • Decreases steering response
Stiffer

  • Decreases chassis roll
  • Decreases off-power steering into corners (Increases Understeer)
  • Decreases front grip in corners
  • Quicker steering response

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

  • XRAY X4

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