---
product_id: 444834558
title: "28'' Heavy Duty Office Chair Base Replacement with Cross Metal Legs (2400 lbs), Universal Gas Cylinder & Caster Sockets, Matte Black"
brand: "sytopia"
price: "¥23938"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/444834558-28-heavy-duty-office-chair-base-replacement-with-cross-metal
store_origin: JP
region: Japan
---

# 2400 lbs ultra-heavy load capacity 28'' wide base for max stability Universal fit with standard gas & caster sockets 28'' Heavy Duty Office Chair Base Replacement with Cross Metal Legs (2400 lbs), Universal Gas Cylinder & Caster Sockets, Matte Black

**Brand:** sytopia
**Price:** ¥23938
**Availability:** ✅ In Stock

## Summary

> 🪑 Upgrade your throne with rock-solid support and style!

## Quick Answers

- **What is this?** 28'' Heavy Duty Office Chair Base Replacement with Cross Metal Legs (2400 lbs), Universal Gas Cylinder & Caster Sockets, Matte Black by sytopia
- **How much does it cost?** ¥23938 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/444834558-28-heavy-duty-office-chair-base-replacement-with-cross-metal)

## Best For

- sytopia enthusiasts

## Why This Product

- Trusted sytopia brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Investment:** Replace just the base to extend your chair’s life—save money without sacrificing quality.
- • **Hassle-Free Setup:** Easy installation with clear instructions plus a satisfaction guarantee for worry-free upgrades.
- • **Unmatched Strength:** Supports a staggering 2400 lbs—5x the standard load for ultimate durability.
- • **Rock-Solid Stability:** 28-inch wide base with low center of gravity prevents tipping, keeping you safe and secure.
- • **Seamless Compatibility:** Fits most office and gaming chairs with universal 2’’ gas cylinders and caster sockets.

## Overview

The Sytopia 28'' Heavy Duty Office Chair Base is a premium matte black metal replacement base engineered to support up to 2400 lbs. Designed with a wide 28-inch footprint and universal gas cylinder and caster sockets, it fits most office and gaming chairs. Certified for safety and durability, it offers an economical way to extend your chair’s lifespan with easy installation and guaranteed satisfaction.

## Description

Sytopia 28'' Heavy Duty Office Chair Base Replacement with Cross Metal Legs (2400 lbs), Universal Gas Cylinder & Caster Sockets, Matte Black

## Features

- 💎Upgraded Solid MetalL: Crafted from premium chrome using advanced manufacturing technology, the Sytopia chair base is ANSI and BIFMA certified. It supports over 2400 lbs (1088 kg)—nearly 5 times the standard 500 lbs capacity.
- 😊Ensure Stability and Safety: Designed with a 28'' wide base and low center of gravity, it offers enhanced stability and helps prevent accidents like tipping or falling—even under heavy use.
- 🟢Fits Most Chairs: Compatible with standard 2’’ (5 cm) gas cylinders and 7/16’’ x 7/8’’ (11 mm x 22 mm) caster sockets. Works with most office, gaming, computer, and executive chairs on the market.
- 🌈An Economical Shopping Choice: No need to replace your entire chair if only the base is damaged. A replacement base saves money and extends the life of your favorite chair.
- 💗 Customer Satisfaction Guaranteed: Easy to install with the included instruction guide. If it doesn’t fit your chair, feel free to return or exchange it—your satisfaction is our top priority.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Sytopia |
| Model Number | SYT-BASE-REP-C-BLACK |
| Color | Matte Black |
| Product Dimensions | 71.12 x 71.12 x 10.16 cm; 3.13 kg |
| Material | Metal |
| Special Features | Ergonomic |
| Item Weight | 3.13 Kilograms |

## Product Details

- **Brand:** Sytopia
- **Colour:** Matte Black
- **Material:** Metal
- **Product dimensions:** 71.1D x 71.1W x 12.7H centimeters
- **Size:** 28D x 28W x 4H in

## Images

![28'' Heavy Duty Office Chair Base Replacement with Cross Metal Legs (2400 lbs), Universal Gas Cylinder & Caster Sockets, Matte Black - Image 1](https://m.media-amazon.com/images/I/51BV5rFjXnL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How secure is the base of the office chair? Does it have a locking mechanism and sturdy back support?**
A: The office chair base is designed with safety in mind. It features a reliable locking mechanism to keep the base stable and secure, along with sturdy back support to prevent accidental tilting or damage, ensuring your safety during use.

**Q: What materials are used in the construction of the office chair base? Is it sturdy and durable?**
A: The office chair base is made from high-quality materials to ensure it is sturdy and durable, avoiding any cheap feel. Every component undergoes strict quality control, providing reliable support that lasts long-term.

**Q: Is the office chair base easy to assemble? Does it come with an installation guide and tools?**
A: Yes, the office chair base is designed for easy assembly. It comes with a clear installation guide and all necessary tools, making it simple to replace your existing base—even if you have no prior experience.

**Q: How stable is the office chair base? Can it adapt to different floor surfaces?**
A: The office chair base is designed for excellent stability, minimizing the risk of tipping. Whether on tile, hardwood, or carpet, it adapts well to various floor types, providing steady support in any environment.

**Q: Is the office chair base easy to clean and maintain? Does it require special tools?**
A: Yes, the office chair base is designed for easy cleaning and maintenance. Its simple design means no special tools or complicated steps are needed, allowing you to keep the base in great condition with minimal effort.

## Frequently Bought Together

- Sytopia 28'' Heavy Duty Office Desk Chair Base Replacement with Worldwide Metal Legs (2400Lbs), Chair Bottom Parts, Universal Gas Cylinder and Caster Sockets, Matte Black
- Office Chair Wheels, 2 Inch Rubber Rollers, Heavy Duty, Safe for Hardwood Floors, Carpets, Mats, Universal Size 11x22mm, Smooth and Quiet, Black, Set of 5
- The Original Rollerblade Office Chair Wheels (As Seen On PBS) - Incredibly Smooth & Quiet Rolling Casters - Safe for Hardwood Floors & Carpet - Easy Installation with Universal Fit - Set of 5 - Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/444834558-28-heavy-duty-office-chair-base-replacement-with-cross-metal](https://www.desertcart.jp/products/444834558-28-heavy-duty-office-chair-base-replacement-with-cross-metal)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*