Aluminium Polished Office Chair Spider Shaped 5 Star Bases
Upgrade your office seating with the Aluminium Polished Office Chair Spider Shaped 5 Star Bases, a premium foundation engineered to deliver superior stability, durability, and modern style to almost any gas lift office chair. Crafted from polished aluminium alloy with a wide 690mm diameter, this heavy-duty base is AFRDI Level 6 tested, weight-rated to 120kg, and built for long-lasting performance in demanding work environments. Its universal fit ensures compatibility with most chair casters and gas lifts, allowing effortless installation without tools. For users seeking an enhanced experience, optional X-Wheel Ball Bearing Wheels provide smoother, quieter movement and improved floor protection across a wide range of surfaces. Backed by a 10-year factory warranty, this base is designed to elevate everyday seating.
Key Benefits:
- 5 star Aluminum Office Base
- 690mm Diameter
- Polished Aluminium Alloy
- This base suits most gas lift office chairs
- Casters are not included but they just push into the base no tools required
- 10 year factory warranty
- AFRDI level 6 tested and approved
- Heavy duty 120kg weight rated
- Polished aluminium finish
- In stock Fast Dispatch
Optional Amazing X-Wheel Ball Bearing Wheels:
1 – Standard Rubber wheel
2 – RGB / LED Light up in wheel while in use
X-Wheel Blade Casters represent a breakthrough in seating technology and comfort. Just like a building, a chair is only as good as its foundation; and as a person, core stability is the key to health. The wheels on your chair are the foundation that creates core stability and leads to healthy, smooth, ergonomic movement. Featuring 100% rubberized blade wheels and a free ball-bearing core, X-Wheel Blade Casters are quieter and smoother. They work better on hardwood and pile carpet alike, and they are more gentle on tile, hardwood, vinyl, carpet, and almost any surface. Ball-bearing swivels spin easily, preventing scuffing and scratching. And they look great! Put, for a small investment, you can upgrade your chair’s performance and enhance your seating experience.
Key Benefits:
- Makes your chair roll with ease
- Prevents user injury by making your chair easy to move
- Anti-Static properties prevent the build-up of static electricity and or reduce its effects so no more unsuspected zaps!
- Saves wear to carpet and other surface’s
- 100% Rubberized blade wheels
- Quieter and smoother operation than traditional casters
- Perfect to use on timber, vinyl, tiles, concrete, low pile carpet & much more
- Ball-bearing bracket core allows for easy, smooth swivel & spin
- Preventing scuffing and scratching
- The dual bearing core design will make your chair movement smooth and effortless.
- Manufactured with premium material
- Super Duty Metal bracket supports the wheel
- LIFETIME FACTORY WARRANTY
X-Wheel Dimensions:

Please note: If X-Wheels are selected, the chair will sit higher than the standard configuration. This option increases chair height by approximately 20mm when replacing 50mm casters, or 10mm when replacing 60mm casters.















































