XT2 2028 Composite Rear Lower Arm XRAY 323116-H 4-HOLE Hard Variant  [XR-323116-H]

This rear lower suspension arm is a solid 4-hole composite unit made for the XT2 2028 chassis. The hard composite construction reduces flex, giving a more direct steering feel useful when running on medium to high traction surfaces.

Geometry notes: the arm's form accounts for the revised shock tower layout and offers two additional shock mounting positions, so it integrates with updated shock tower setups and anti-roll bar configurations to improve roll behaviour without adding unwanted compliance.

Tuning role: fit this arm when you need crisper turn-in and less chassis flex, particularly while developing setups for higher grip conditions. Swapping among medium, hard, and graphite variants helps adjust front/rear balance and steering response without altering suspension geometry.

Installation tips: align the arm carefully with the revised shock tower mounting points and verify anti-roll bar clearances during assembly. Test changes trackside and adjust incrementally to avoid extreme setups.