XRAY X4 CFF Carbon Fibre Upper Arm Soft FR/RL (XR302133-S)

The XRAY XR302133-S X4 CFF Carbon-Fibre Fusion Upper Arm (Soft) is engineered from thinner premium-grade graphite and a softer composite, creating a super lightweight, compact suspension arm that boosts mechanical grip and side traction on the track.

Key Features

• Soft hardness to increase mechanical grip and improve side bite on very low and low traction surfaces.
• Machined and moulded carbon-fibre/composite construction for a precise, consistent feel.
• CFF fusion design combines a carbon plate with composite for controlled flex and rebound.
• Lightweight, compact profile for responsive touring car handling.
• Note: the softer arm is slightly more fragile.

Construction Details

XRAY’s CFF process fuses a carbon-fibre inner plate with a composite outer layer. The thickness of the inner carbon plate defines arm hardness and flex, while the surrounding composite moderates flex and rebound for consistency from corner to corner.

Track Recommendations

• Optimised for very low and low traction asphalt and carpet tracks.

Suggested Compatibility

• XRAY X4: Front Right (FR) or Rear Left (RL) position

Part number: XR302133-S.