GSI AH50 Hub Extension

The GSI AH50 hub 50mm wheelbase extension hub adds 50mm of reach to your setup, improving ergonomics while maintaining strength, compatibility, and precise force feedback.

KEY BENEFITS

• Improves driving position by bringing the wheel closer for better comfort and control
• Maintains rigid connection to preserve detailed force feedback
• Compact design adds extension without adding bulk to your setup
• Compatible with a wide range of wheelbases using standard 70mm PCD
• Lightweight aluminum construction keeps your setup responsive

WHO IT’S FOR

This hub is ideal for sim racers who need a subtle adjustment to their wheel position without making major rig changes. It is especially useful for drivers in formula or GT seating positions where reach and alignment affect control and comfort. Suitable for all experience levels, particularly those using direct drive systems that require a strong, stable connection.

KEY FEATURES

The GSI AH50 hub 50mm wheelbase extension hub is precision machined from billet 6061 aluminum for strength and durability. It provides a 50mm extension, allowing for fine tuning of wheel placement without compromising rigidity. The hub features a standard 70mm pitch circle diameter on both sides, with one side using threaded holes and the other non threaded holes for flexible mounting across different wheelbases and wheels. Its compact 82mm diameter keeps the profile clean while maintaining structural integrity.

TECHNICAL SPECIFICATIONS

• Extension length 50mm
• Material billet 6061 aluminum
• Mounting pattern 70mm PCD on both sides
• One side threaded holes and one side non threaded holes
• Hub diameter 82mm
• Weight 0.1 kg
• Available colors Black, Red, Green, Blue, Gold, Purple

REAL-WORLD USE / EXPERIENCE

In practice, this extension helps dial in a more natural driving position without overextending the wheel too far from the base. The added 50mm can make a noticeable difference in comfort, especially during longer sessions. The connection remains solid under load, ensuring that force feedback stays sharp and consistent. The GSI AH50 hub 50mm wheelbase extension hub is a simple but effective upgrade for improving ergonomics without sacrificing performance.