The XRAY 323354-M medium composite rear upright is intended to improve the rear end stability of XB2 cars. Its lower roll center arrangement reduces collapse during fast cornering, helping the chassis stay balanced under load.
Produced from medium hardness composite, this upright strikes a balance between durability and flexibility for many track types. It pairs with aluminium roll center mounts that offer multiple upper roll center adjustments for accurate tuning.
The multi-function uprights position the upper roll centre centrally on the driveshaft joint axis to enhance traction while retaining stability, a useful setup for competitive running.
XRAY offers four rear upright options: medium, hard, graphite and aluminium. Each version gives different handling characteristics so modelers can match the upright to surface grip and driving preferences.
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