11 Inches-17 Inches Long Office Chair Gas Lift Cylinder Replacement 5.5" Stroke Heavy Duty 1000 lbs Universal Gas Cylinder for Most Office Chair Class 4 (Not for 1KEA Black)
Price Summary
Current
£27.99
Lowest
£22.94
+22.0%
Highest
£30.17
-7.2%
Average
£27.83
💡 Set a price alert to be notified when the price drops below your target amount.
Our Price Verdict
Based on 418 days of tracking, the MASTERY MART 11 Inches-17 Inches Long averages £27.83 in the UK. At £27.99 today, 1% above that average, prices have been lower (£22.94) — consider setting a price alert.
Description
Available in the UK, the MASTERY MART 11 Inches-17 Inches Long brings quality home office furniture to any interior.
Highest Safety Class 4
The heavy-duty gas strut is manufactured to the industry standard (SGS/BIFMA/TÜV) and is explosion-proof, highest safety. The extremely robust chair gas cylinder, made of thick alloy steel, has a maximum capacity of up to 454 kg (1000 lbs).
Adjustable Height 5.5 inches (approx. 14cm)
The compressed length is 11.69 inches (approx. 44cm) (437mm), sinking length is 1/2” (15mm), Stroke Length is 5.5 inches (approx. 14cm), which allows your chairs to rise higher. (Note: Please measure the length of the outer cylinder before purchase).Universal Fit Size for Most Chairs
The outer column cylinder diametre connected to the base is 2 inches (approx. 5cm) (50mm), and the piston shaft diametre connected to the chair is 1-1/8" (28mm). This pneumatic piston cylinder will fit almost every office chair on the market including herman miller aeron. Please confirm these measurements before making a purchase. Not compatiable with 1KEA and some other brands.Easy Installation
It needs tools to remove the old gas lift. No tools are required to insert the new one, and the whole process does not take much time - in just 5 minutes your problems are solved. Sinking chair is repaired.Perfect After-sales Service
If you receive the product with using problems after using a few days, we sincerely ask that the first time to contact us, let us help you solve the problem, we will provide you a satisfactory solution, a real worry-free shopping.UK plug included — no adapter required. Compatible with standard UK desk heights (72–75cm). CE marked and UK UKCA certified for electrical safety.
The MASTERY MART 11 Inches-17 Inches supports productive and comfortable working from home across the UK.
Key Features
🏆【Adjustable Height 5.5 inches】The compressed length is 11.69 inches (297mm), the fully expanded length is 17.2 inches (437mm), sinking length is 1/2” (13mm), stroke length is 5.5 inches, which allows your chairs to rise higher. (Note: Please measure the length of the outer cylinder before purchase).
🏆【Universal Fit Size for Most Chairs】The outer column cylinder diametre connected to the base is 2 inches (50mm), and the piston shaft diametre connected to the chair is 1-1/8" (28mm). This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron. Please confirm these measurements before making a purchase. Not compatible with 1KEA and some other brands.
🏆【Upgraded Class 4 Gas Cylinder】Mastery Mart's office chair cylinder replacement is made of premium steel. This heavy-duty gas lift cylinder is manufactured to meet the highest industry standard (BIFMA/ANSI), the lift has a maximum capacity of up to 1000 lbs.
🏆【Eliminate Sinking Concerns】Prevent sinking issues by removing the old cylinder using a hammer or wrench. Simply assemble our new cylinder into the base and attach the seat. Our office chair lift provides seamless 360-degree rotation.
🏆【100% Satisfaction Guaranteed】For any issues with using our chair shock replacement, please don't hesitate to contact us. We are here to provide guidance, offer replacements, or process refunds, depending on your specific case. Your satisfaction is our priority.
Technical Specifications
| Brand | MASTERY MART |
|---|---|
| Model Number | MM-REP-GL04 |
| Colour | Matte Black |
| Diametre | 50 Millimetres |
| Capacity | 450 Kilograms |
| Material | Alloy Steel |
| Special Features | Adjustable Height |
| Item Weight | 907 g |
Detailed Description
? 【Highest Safety Class 4】The heavy-duty gas strut is manufactured to the industry standard (SGS/BIFMA/TÜV) and is explosion-proof, highest safety. The extremely robust chair gas cylinder, made of thick alloy steel, has a maximum capacity of up to 454 kg (1000 lbs).
?【Adjustable Height 5.5 inches】The compressed length is 11.69 inches (297mm), the fully expanded length is 17.2 inches (437mm), sinking length is 1/2” (15mm), Stroke Length is 5.5 inches, which allows your chairs to rise higher. (Note: Please measure the length of the outer cylinder before purchase).
?【Universal Fit Size for Most Chairs】The outer column cylinder diametre connected to the base is 2 inches (50mm), and the piston shaft diametre connected to the chair is 1-1/8" (28mm). This pneumatic piston cylinder will fit almost every office chair on the market including herman miller aeron. Please confirm these measurements before making a purchase. Not compatiable with 1KEA and some other brands.
?【Easy Installation】It needs tools to remove the old gas lift. No tools are required to insert the new one, and the whole process does not take much time - in just 5 minutes your problems are solved. Sinking chair is repaired.
?【Perfect After-sales Service】If you receive the product with using problems after using a few days, we sincerely ask that the first time to contact us, let us help you solve the problem, we will provide you a satisfactory solution, a real worry-free shopping.
Frequently Asked Questions
1How much does the MASTERY MART 11 Inches-17 Inches Long Office Chair cost in the UK?
The MASTERY MART 11 Inches-17 Inches Long Office Chair currently costs £27.99 from UK retailers. Our price tracker shows it has ranged from £22.94 to £30.17 over the past 418 days, with an average of £27.83.
2Is now a good time to buy the MASTERY MART 11 Inches-17 Inches Long Office Chair?
Prices have been lower — the 418-day low is £22.94 vs today's £27.99. Set a price alert to be notified if it drops further.
3What category is the MASTERY MART 11 Inches-17 Inches Long Office Chair in?
The MASTERY MART 11 Inches-17 Inches Long Office Chair is listed under Gaming Office Chairs UK on 7 Interior Design. We track daily prices across Gaming Office Chairs UK products so you can compare and find the best deal.
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