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MASTERY MART Office Chair Base Replacement is made of high-quality chrome and provides greater carrying capacity up to 2400+Lbs ensuring stability and safety when sitting on the chair. It has universal size fitting and can be applied to most types of chairs in the market, saving money and keeping your favorite chair.
Item #:
104238066
MASTERY MART 28" Heavy Duty Office Chair Replacement Base 2400Lbs, Office Chair Base Replacement with Universal Caster and Gas Cylinder Size, Matte
Item #:
104238066
€ 65
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Imported from UK store
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MASTERY MART Office Chair Base Replacement is made of high-quality chrome and provides greater carrying capacity up to 2400+Lbs ensuring stability and safety when sitting on the chair. It has universal size fitting and can be applied to most types of chairs in the market, saving money and keeping your favorite chair.
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What Stands Out
Heavy Duty Design
Supports up to 2400 lbs, ensuring durability and stability for a wide range of users while maintaining comfort in any office setting.
Universal Compatibility
Designed to fit most office chairs, the base includes a universal gas cylinder, making replacement easy and hassle-free for any chair model.
Stylish Finish
Matte black finish adds a modern touch to any workspace, blending aesthetics with functionality and making it an ideal choice for professional environments.
Product Details
| Brand | MASTERY MART |
| Colour | Matte Black |
| Product dimensions | 70D x 70W x 10H centimetres |
| Size | 28 inches (W) x 28 inches (L) x 4 inches (H) |
| Back style | Solid Back |
Who Should Buy?
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Heavy Users
Supports up to 2400lbs, making it ideal for heavier individuals who require sturdy office furniture.
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Frequent Movers
Equipped with universal casters, ideal for users who frequently move their chairs throughout the workplace.
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Office Replacements
Perfect for those looking to replace worn-out office chair bases without needing to buy new chairs.
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Lightweight Users
Individuals who weigh less may not need such a heavy-duty base, risking unnecessary expense.
Product Description
MASTERY MART 28" Heavy Duty Office Chair Replacement Base 2400Lbs, Office Chair Base Replacement with Universal Caster and Gas Cylinder Size, Matte Black
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this base compatible with caster wheels?
Answer: Yes, the base has universal caster sockets of size 7/16'' x 7/8'' that can fit most caster wheels. -
Question:
What is the diameter of this chair base?
Answer: The diameter of the base is 28'' (71cm), which is broader than most other office chair bases in the market. -
Question:
Is this chair base easy to install?
Answer: Yes, the base is easy to install with a standard gas cylinder socket of size 2'' (5cm) and can be applied to most types of chairs on the market.
MASTERY MART Editorial Review
**** The Mastery Mart chair replacement base has emerged as a standout option for those looking to enhance the durability and lifespan of their office or gaming chairs. Early impressions from customers reveal a sense of skepticism due to its self-assembly nature, but this quickly gives way to satisfaction as users experience the product's robust Construction. Made from steel, the base offers remarkable strength and stability, effectively addressing the common issue of plastic bases that tend to break under strain, especially for heavier users. A common theme among reviews is ease of assembly; most customers report the setup taking no longer than ten minutes. Once assembled, the chair feels sturdy and secure, with many users noting that this replacement base dramatically outperforms the original plastic equivalents in terms of both aesthetic appeal and structural integrity. The base's compatibility with standard castors adds to its functionality, allowing for easy customization without additional cost or effort. Users have praised the precision of the fit and the absence of movement once secured, which speaks to the overall quality of the product. While some customers did mention minor issues, such as an undersized central hole, these did not hinder the overall positive experience, and the benefits clearly outweigh these small inconveniences. In summary, the Mastery Mart chair replacement base is highly regarded as a good value investment for those looking to restore function to their favorite chairs without purchasing entirely new furniture. Its combination of durability, ease of installation, and aesthetic appeal makes it a top choice for users tired of flimsy, easily breakable components. **
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Pros
- Sturdy steel Construction that outlasts plastic bases.
- Easy and quick assembly, usually under 10 minutes.
- Compatible with standard-sized castors.
- Improved aesthetics compared to original plastic bases.
- Excellent stability with no movement after assembly.
Cons
- Some users reported a slightly undersized central hole, complicating assembly.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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€ 65
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Made of high-quality chrome and certified by ANSI and BIFMA for carrying capacity up to 2400+ Lbs
- Provides stability and safety with low gravity center design and 28'' diameter
- Universal size fitting for most types of chairs on the market
- Saves money on budget by replacing a chair base instead of the whole chair
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