XRay Composite Upright Rear - Graphite

The XRay Composite Upright Rear – Graphite (XR323353-G) is a super-compact rear upright moulded from a specially formulated graphite composite. It delivers a balanced blend of reliability and performance and can be used on either the left or right side. Suitable for most track conditions, it excels on high- and very-high-traction surfaces, helping the car feel more stable while boosting cornering speed and overall strength.

Despite its compact size, the special composite mixture ensures high strength. Geometry and serviceability are well considered, with multiple roll centre options, a secure pivot pin retention point, and optimised bearing sizes for drivetrain reliability and reduced unsprung weight.

Key Features

• Specially formulated graphite composite for stiffness and durability.
• Left- or right-side use with super-compact form factor.
• Suitable for most tracks; excels on high to very-high traction.
• Seven upper roll centre positions.
• 0° toe for stability and to prevent geometry changes in hard crashes.
• Set-screw hole to secure the pivot pin.
• Larger 5x12mm outer ball bearings for increased dynamic load capacity.
• Smaller 5x10mm inner ball bearings to minimise unsprung weight.