XRay Xca Aluminium 7075 T6 Hard Coated Pinion Gear - 18T (1st)

The XRAY XCA Aluminium Pinion Gear 18T (1st), part number XR348518, is engineered from tough 7075-T6 aluminium and hard coated for superior strength, low rotating mass and long service life. Precision-cut teeth and ultra-true running promote smooth, vibration-free engagement for consistent drivetrain performance.

Fine internal threading allows straightforward installation on XCA clutchbells, while the tooth count is finely etched for quick identification in the pits. Part of the RX8 XCA pinion range, it helps you dial in the ideal gear ratio for your track conditions.

Key Features

• High-strength 7075-T6 aluminium construction
• Hard coated for durability and wear resistance
• Ultra-precise tooth shaping for smooth mesh
• Ultra-true running to reduce vibration
• Fine internal threading for easy installation
• Lightweight design for responsive acceleration
• Finely etched tooth number for quick ID
• 18T, 1st gear position within the XCA system
• Available in a range of sizes to fine-tune gearing

Suggested Compatibility

• XRAY RX8 models using XCA clutchbells (standard or lightweight)