Replacement Chair Base, 27″ Aluminum

Replacement Chair Base Aluminum – Durable 27″ Polished Support for Office Chairs

The Replacement Chair Base Aluminum is the perfect fix for worn-out or broken office chairs. Built for compatibility and performance, this 27″ polished base adds strength, stability, and a sleek look to most modern office seating. Whether you’re upgrading or replacing a damaged base, this component restores full function with minimal effort.

It features a standard 2″ (50mm) center hole that fits most gas lift cylinders, along with 7/16″ x 7/8″ (11mm x 25mm) sockets that accommodate standard caster stems. That means it works seamlessly with chairs from major suppliers like Staples, OfficeMax, Office Depot, and more.

Made from lightweight yet strong polished aluminum, the base evenly distributes weight to enhance balance and minimize tipping. Its clean design suits both contemporary and traditional office décor, making it ideal for use in corporate settings, conference rooms, or ergonomic home offices. This replacement base is a great option for office managers, remote workers, or DIYers who want to extend the life of their seating equipment without replacing the entire chair. It’s an economical solution that restores function, appearance, and safety—all without the need for professional repair services.

No tools are needed for setup—just insert your gas lift into the center and attach the wheels. In minutes, your chair is ready for action again. This aluminum chair base is available in 23″, 25″, and 27″ sizes, giving you flexibility for various chair models and applications.

Key Features

• 27″ polished aluminum base for stools and office chairs
• Standard 2″ (50mm) center hole for gas lift cylinders
• Compatible 7/16″ x 7/8″ sockets fit standard caster stems
• Lightweight construction with professional-grade strength
• Available in 23″, 25″, and 27″ configurations

The Replacement Chair Base Aluminum delivers a modern upgrade with solid support and easy compatibility.

Browse our full range of chair parts and components for more upgrade options.

See how to select the right replacement base for your chair.