---
product_id: 417802008
title: "Mastery Mart Office Chair Base Replacement, 28 Inch Heavy Duty(2500 Lbs) Metal Leg, Reinforced to Repair Swivel Gaming Chair Bottom Part with Universal Caster and Gas Cylinder Size (Matte Black)"
brand: "mastery mart"
price: "NT$6223"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/417802008-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty
store_origin: TW
region: Taiwan
---

# Supports up to 2500 lbs load 28-inch heavy-duty metal base Universal fit for all chair types Mastery Mart Office Chair Base Replacement, 28 Inch Heavy Duty(2500 Lbs) Metal Leg, Reinforced to Repair Swivel Gaming Chair Bottom Part with Universal Caster and Gas Cylinder Size (Matte Black)

**Brand:** mastery mart
**Price:** NT$6223
**Availability:** ✅ In Stock

## Summary

> 🪑 Upgrade your throne with unshakable strength and style!

## Quick Answers

- **What is this?** Mastery Mart Office Chair Base Replacement, 28 Inch Heavy Duty(2500 Lbs) Metal Leg, Reinforced to Repair Swivel Gaming Chair Bottom Part with Universal Caster and Gas Cylinder Size (Matte Black) by mastery mart
- **How much does it cost?** NT$6223 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/417802008-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty)

## Best For

- mastery mart enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Reinforced alloy steel base engineered for unmatched durability and stability.
- • **Effortless Upgrade:** Simple installation with clear instructions—get your chair back in action fast.
- • **Heavyweight Champion:** Supports an impressive 2500 lbs, ensuring rock-solid performance under pressure.
- • **Seamless Compatibility:** Universal sockets fit virtually every office, gaming, and swivel chair effortlessly.
- • **Sleek Matte Black Finish:** Modern, professional look that elevates your workspace aesthetic.

## Overview

The Mastery Mart Office Chair Base Replacement is a 28-inch diameter, heavy-duty metal base designed to support up to 2500 lbs. Crafted from reinforced alloy steel with a sleek matte black finish, it offers universal compatibility with most office, gaming, and swivel chairs. Easy to install with included hardware and instructions, this base ensures long-lasting durability and stability for your chair.

## Description

Full description not available

## Features

- ➤ WHAT'S IN THE BOX: 1 Set of Office Chair Black Base Replacement, Installation Package, 1 Base Cap.
- ➤ PREMIUM GRADE METAL MADE STRONG BASE REPLACEMENT: This Heavy Duty Chrome Base Stool is manufactured to meet the Office Chair's highest industry standard. The reinforced metal and durability of the base will ensure your chair's base is firmly sound for many years.
- ➤ UNIVERSAL SIZE: The office chair base works perfectly with almost every office chair, gaming chair, desk chair, task chair and swivel chair on the market. The office chair base replacement has universal sockets that will fit your original casters and gas lift cylinder.
- ➤ SIZE DETAIL: Office Chair Base Size in Diameter: 28’’ (70 cm). Chrome Base Leg Length: 12.6’’ (32 cm). Standard Gas Cylinder Socket: 2’’ (5 cm). Standard Caster Sockets: 7/16’’ x 7/8’’ (11mm x 22mm). Height of the Chrome Base: 4’’ (10 cm)
- ➤ 100% SATISFACTION GUARANTEED - Very easy installation and replacement with our simple and clear instruction sheet. If this doesn't fit your chair, you can simply return it for a full refund.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MASTERY MART |
| Model Number | MM-REP-BAS001 |
| Colour | Black |
| Diameter | 70 Centimetres |
| Maximum Weight Capacity | 1000 Kilograms |
| Material | Alloy Steel |
| Special Features | Durability |
| Item Weight | 2 kg |

## Images

![Mastery Mart Office Chair Base Replacement, 28 Inch Heavy Duty(2500 Lbs) Metal Leg, Reinforced to Repair Swivel Gaming Chair Bottom Part with Universal Caster and Gas Cylinder Size (Matte Black) - Image 1](https://m.media-amazon.com/images/I/61oFU1R5mBL.jpg)

## Available Options

This product comes in different **Colour Name** options.

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**Shop now:** [https://www.desertcart.tw/products/417802008-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty](https://www.desertcart.tw/products/417802008-mastery-mart-office-chair-base-replacement-28-inch-heavy-duty)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-04-22*