"Cubilia a nisi blandit sem cras nec
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JOHN DOE / CEO Elessi
About this item UNIVERSAL SIZE THAT FITS MOST CHAIRS: This chair cylinder replacement will fit all office chair bases with 50mm(2 inches) standard centre hole. Ideal to replace gas lift cylinder on 99% standard office chairs, task chairs, executive chairs, salon chairs and rolling stools on the market. SAVE MONEY – to fix your sinking office chair by replacing the cylinder instead of spending hundred bucks for a brand new computer chair. ( Please measure dimensions before purchasing ) HEAVY DUTY CLASS 4 PISTON – ANTI-EXPLOSION CYLINDER: Our office chair piston passed the top-level test of BIFMA certification by lifting up and down 120,000 times without fail, they built with high-quality solid steel that can support maximum weight up to 1000 lbs. The safety decompression structure design will be more secure than other gas lift cylinder you ever use 5.5’’ PISTON STROKE FOR ADJUSTING CHAIR HEIGHT: This chair piston extends from 285mm to 425mm ( 11.22 – 16.7″), minimum length: 11.22 inches; maximum length when fully extended: 16.7 inches, travel from the highest to the lowest point, replace your office chair gas cylinder and stop worrying about disturbing anyone, 360 degree rotation to all directions, freely lift and rotate your office chair smoothly and quietly EASY INSTALLATION: It comes with gloves and chair cylinder. Usually you may need to use a rubber mallet to take out the old gas lift cylinder from chair base and can be installed easily without additional screws required.Spending 5 minutes will bring a new life to your old office chair. We suggest you watch videos on Youtube before you start the installation (search “office chair gas lift cylinder replacement” ) HASSLE-FREE WARRANTY: All our office chair replacement parts are 100% inspection before shipping. Your satisfaction is always our top priority. If for some reason the cylinder fails, leaks, or starts sinking, contact our professional after-service team via email, our direct after-sale team will reach out to you and timely solve your problems
› See more product details
We ship to all 50 states, Washington DC.
All orders are shipped with a UPS tracking number.
Always free shipping for orders over US $200.
During sale periods and promotions the delivery time may be longer than normal.
Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
Give us a shout if you have any other questions and/or concerns.
Email: contact@mydomain.com
Phone: +1 (23) 456 789
JOHN DOE / CEO Elessi
LIONEL / Manager Elessi
$83.00
SAVING MONEY to fix your sinking office chairWhen your office chair keeps sinking due to a faulty gas lift cylinder, a replacement of this important piece is all you need to restore the chair’s functionality. If the rest of the chair is in good condition, there is no need to get a whole new chair. You’ll save a lot simply getting a new cylinder.


Universal Size & Easy InstallationSuitable for most office chair, gaming chair or executive chair,drafting chairs, task chairs,drafting stools,office & salon stools. A few simple replacement steps will bring your chair a new life.
The class 4 piston is the most durable, longest lasting, highest quality gas lift cylinders. They are made of high-quality thick steel with QPQ surface that can support up to 1000LBS, which is explosion-proof and safe during the uses.

Check the outer and inner diameter of your broken gas lift cylinder. This replacement part comes with the standard measurements of 2 inches for the outer cylinder and 1.1 inches for the inner cylinder diameters.



The pneumatic piston allows to rotate 360 degrees easily, smoothly and quietly.
The one-time forming circlip has good sealing performance, safe and reliable.
Smooth and quiet lifting up and down, durable, they are made of high-quality thick outer steel to ensure compliance with quality standards.

Customer Reviews 4.5 out of 5 stars
2,225
4.5 out of 5 stars
2,225
4.7 out of 5 stars
6,087
4.7 out of 5 stars
176
4.3 out of 5 stars
90
Heavy-Duty ✓ ✓ ✓ ✓ ✓ Smooth&Quiet ✓ ✓ ✓ ✓ ✓ Easy to Install ✓ ✓ ✓ ✓ ✓ Universal ✓ ✓ ✓ ✓ ✓
Brand HOSALI Color Black Size 5.5 Special Feature Stackable Unit Count 1 Count Recommended Uses For Product Office Maximum Weight Recommendation 1000 Pounds Pattern Solid Room Type Office Age Range (Description) Adult Included Components Gloves, Chair Cylinder Surface Recommendation Hard Floor Furniture base movement Glide Indoor/Outdoor Usage Indoor Tilting No Is Customizable No Is Foldable No UPC 616908911586 Form Factor Recliner Manufacturer HOSALI Package Dimensions 12.28 x 2.52 x 2.24 inches Item Weight 2.5 pounds ASIN B09CYPBZJF Customer Reviews
4.5 out of 5 stars Best Sellers Rank #11,015 in Office Products ()
#18 in
Date First Available August 18, 2021
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Brand HOSALI
Color Black
Size 5.5
Special Feature Stackable
Unit Count 1 Count
Recommended Uses For Product Office
Maximum Weight Recommendation 1000 Pounds
Pattern Solid
Room Type Office
Age Range (Description) Adult
Included Components Gloves, Chair Cylinder
Surface Recommendation Hard Floor
Furniture base movement Glide
Indoor/Outdoor Usage Indoor
Tilting No
Is Customizable No
Is Foldable No
UPC 616908911586
Form Factor Recliner
Manufacturer HOSALI
Package Dimensions 12.28 x 2.52 x 2.24 inches
Item Weight 2.5 pounds
ASIN B09CYPBZJF
Customer Reviews /* * Fix for UDP-1061. Average customer reviews has a small extra line on hover * https://omni-grok.amazon.com/xref/src/appgroup/websiteTemplates/retail/SoftlinesDetailPageAssets/udp-intl-lock/src/legacy.css?indexName=WebsiteTemplates#40 */ .noUnderline a:hover { text-decoration: none; } .cm-cr-review-stars-spacing-big { margin-top: 1px; } .mvt-cm-cr-review-stars-mini { margin-top: 0.5px; } .mvt-cm-cr-review-stars-small { margin-left: -2px; } .mvt-cm-cr-review-stars-mini-popover .a-icon-popover { margin-top: 1px; margin-left: -4px; margin-right: -11px; } .mvt-cm-cr-review-stars-small-popover .a-icon-popover { margin-top: -1px; margin-left: -5px; margin-right: -11px; } .mvt-cm-cr-review-stars-mini-rtl-popover .a-icon-popover { margin-top: 1px; margin-left: -11px; margin-right: -5px; } .mvt-cm-cr-review-stars-small-rtl-popover .a-icon-popover { margin-top: -1px; margin-left: -11px; margin-right: -3px; } 4.5 4.5 out of 5 stars 2,225 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); }); 4.5 out of 5 stars
Best Sellers Rank #11,015 in Office Products (See Top 100 in Office Products) #18 in Managerial Chairs & Executive Chairs
Date First Available August 18, 2021
About this item UNIVERSAL SIZE THAT FITS MOST CHAIRS: This chair cylinder replacement will fit all office chair bases with 50mm(2 inches) standard centre hole. Ideal to replace gas lift cylinder on 99% standard office chairs, task chairs, executive chairs, salon chairs and rolling stools on the market. SAVE MONEY – to fix your sinking office chair by replacing the cylinder instead of spending hundred bucks for a brand new computer chair. ( Please measure dimensions before purchasing ) HEAVY DUTY CLASS 4 PISTON – ANTI-EXPLOSION CYLINDER: Our office chair piston passed the top-level test of BIFMA certification by lifting up and down 120,000 times without fail, they built with high-quality solid steel that can support maximum weight up to 1000 lbs. The safety decompression structure design will be more secure than other gas lift cylinder you ever use 5.5’’ PISTON STROKE FOR ADJUSTING CHAIR HEIGHT: This chair piston extends from 285mm to 425mm ( 11.22 – 16.7″), minimum length: 11.22 inches; maximum length when fully extended: 16.7 inches, travel from the highest to the lowest point, replace your office chair gas cylinder and stop worrying about disturbing anyone, 360 degree rotation to all directions, freely lift and rotate your office chair smoothly and quietly EASY INSTALLATION: It comes with gloves and chair cylinder. Usually you may need to use a rubber mallet to take out the old gas lift cylinder from chair base and can be installed easily without additional screws required.Spending 5 minutes will bring a new life to your old office chair. We suggest you watch videos on Youtube before you start the installation (search “office chair gas lift cylinder replacement” ) HASSLE-FREE WARRANTY: All our office chair replacement parts are 100% inspection before shipping. Your satisfaction is always our top priority. If for some reason the cylinder fails, leaks, or starts sinking, contact our professional after-service team via email, our direct after-sale team will reach out to you and timely solve your problems › See more product details
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| Brand | HOSALI |
|---|---|
| Color | Black |
| Size | 5.5 |
| Special Feature | Stackable |
| Unit Count | 1 Count |
| Recommended Uses For Product | Office |
| Maximum Weight Recommendation | 1000 Pounds |
| Pattern | Solid |
| Room Type | Office |
| Age Range (Description) | Adult |
| Included Components | Gloves, Chair Cylinder |
| Surface Recommendation | Hard Floor |
| Furniture base movement | Glide |
| Indoor/Outdoor Usage | Indoor |
| Tilting | No |
| Is Customizable | No |
| Is Foldable | No |
| UPC | 616908911586 |
| Form Factor | Recliner |
| Manufacturer | HOSALI |
| Package Dimensions | 12.28 x 2.52 x 2.24 inches |
| Item Weight | 2.5 pounds |
| ASIN | B09CYPBZJF |
| Customer Reviews | /* .cm-cr-review-stars-spacing-big { .mvt-cm-cr-review-stars-mini { .mvt-cm-cr-review-stars-small { .mvt-cm-cr-review-stars-mini-popover .a-icon-popover { .mvt-cm-cr-review-stars-small-popover .a-icon-popover { .mvt-cm-cr-review-stars-mini-rtl-popover .a-icon-popover { .mvt-cm-cr-review-stars-small-rtl-popover .a-icon-popover { 4.5 4.5 out of 5 stars 2,225 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when('A', 'cf').execute(function(A) { 4.5 out of 5 stars |
| Best Sellers Rank | #11,015 in Office Products (See Top 100 in Office Products) #18 in Managerial Chairs & Executive Chairs |
| Date First Available | August 18, 2021 |
| 5 | 46 | |
| 4 | 10 | |
| 3 | 3 | |
| 2 | 0 | |
| 1 | 0 |
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HOSALI Office Chair Cylinder Replacement,Heavy-Duty Gas Lift Cylinder Fits Most Chairs,Highest End Class 4 Hydraulic Pneumatic Piston, Universal Size Office Products

HOSALI Office Chair Cylinder Replacement,Heavy-Duty Gas Lift Cylinder Fits Most Chairs,Highest End Class 4 Hydraulic Pneumatic Piston, Universal Size Office Products
durango_ro –
5.0 out of 5 stars
Works well
The device worked well and as described. My only problem was the removal of the old unit was required the use of a Mallet.
[...]Denise CarrDenise Carr –
5.0 out of 5 stars
Perfect
Office Chair Gas Lift Cylinder-Office Chair Replacement Parts, Heavy-Duty Gas Lift Cylinder Fits Most Chairs,Highest End Class 4 Hydraulic Pneumatic Piston,Universal Size
[...]Anyelis Rivera Guerrero –
4.0 out of 5 stars
No es tan firme
Al principio era muy firme pero luego de un dia comence a sentir como se comenzaba a tambalear un poco cuando me inclinaba de lado a lado, pero fuera de eso esto es un muy buen producto.
[...]Thanks –
5.0 out of 5 stars
Sturdy and doesn’t sink while sitting
Easy to install and holds my weigh (average adult weight 5’7″ female) without slowly sinking down while sitting. it doesn’t wobble and feels sturdy. I purchased the bigger one but it still fits for my office desk when its low/all the way down but when I raise it all the way up it raises to a comfortable height to sit at a higher drafting/drawing table.
[...]R & T –
5.0 out of 5 stars
Perfect replacement
I have a nice “Captain America” chair. The hydraulic pole began to slip. I found this and used a YouTube video to learn how to do it. It’s super simple. I got my hammer to knock out the old pole and then just pulled out the pole. The new pole slides in easily. You sit on the chair it is set in place.I waited 2 months after ordering to make sure it continued to work. I have found zero slippage. It continues to hold strong and am very happy with the purchase. It’s a great way to save a quality chair.
One person found this helpful
[...]J.SandleJ.Sandle –
5.0 out of 5 stars
Fits the Staples Hyken. Can’t complain!
Little taller than the original cylinder but it works great and fits just like the original. With this replacement the Hyken can last another few years. Easily worth the price.
One person found this helpful
[...]webeditor –
5.0 out of 5 stars
Counting the days…
Looks good and sturdy, and was installed easily on my Bossin gaming chair, which was rated at 450lbs, yet failed in a few months. Let’s see how long this one lasts. Loading it with considerably less than 1/3 the rated capacity of 1000 lbs. 4/17/24 – I’ll check back in a month or two, but for now, works well.
[...]J. Tenser –
5.0 out of 5 stars
Challenging to install, but it brought my trusty desk chair back to life
It takes some patient physical effort to remove the old piston from a desk chair, but It was totally worth it, once the new one was installed. Would have had to throw the whole chair away without this.
[...]Adrian Fajardo –
5.0 out of 5 stars
Exactly what I needed!
This fits my Herman Miller Aeron Remastered. I needed to increase the height of my chair because my standing desk could only go so low. The Highest setting of the Aerson still leaves a weird angle for my arm. I was feeling the pain because I spend all day working on my computer.This did the trick! Fits perfectly. I do recommend getting a footrest.TIP: use a pipe wrench! By no means I’m a big guy. 5’5 140lbs and it took me less than 10 minutes to replace the cylinder.
[...]alex kindle –
5.0 out of 5 stars
HOSALI Office Chair Cylinder Replacement,Heavy-duty Gas Lift Cylinder
perfect and holds a lot of weight. great for all heights
[...]