Save Money, Revive Your Chair - Fix your sinking office chair by replacing the cylinder instead of spending money on a brand new computer chair. We'll send you the highest quality cylinder on the market, detailed step-by-step installation instructions, gloves, and our money-back guarantee. You have nothing to lose!

Removal & Installation - Replacing your chair cylinder is very straightforward. Just remove the old one and drop the new one in. Sometimes removing the cylinder from the chair seat can be challenging, but if you have the right tools it’ll be a breeze. If you want a little extra help, check out our full cylinder kit that comes with a removal tool specifically for this job.

Extra Heavy Duty - Our desk chair cylinders are all Class 4, which are known as the most durable, longest lasting, & highest quality gas lift cylinders on the market. They have even been tested to support up to 1000 lbs without fail.

Industry Standard Size - This pneumatic piston cylinder will fit almost every office chair on the market including herman miller aeron. If it doesn't fit your specific chair, return it for a full refund and we'll even cover the cost of shipping for you.

Lifetime Hassle-Free Warranty - Our goal is to provide you with the highest quality office chair parts so you can extend the life of your chair. So if for some reason our cylinder fails, leaks, or starts sinking - email us, and we'll send you a brand new one. Our warranty never expires.

Industry Standard Size:
This pneumatic piston cylinder will fit almost every office chair on the market.
Piston Diameter: 1-1/8" (28mm)
Column Diameter: 2" (50mm)

Weight Capacity:
1000 lbs

Cylinder Class:
Class 4 Gas Lift
(Known as the most durable, longest lasting, & highest quality gas lift cylinders)

Will this cylinder fit my specific chair?
Our office chair cylinders are the industry universal standard size and will fit almost all office chairs. The cylinder measures 2” (50mm) at the bottom where it fits into the chair base, and 1-1/8” (28mm) at the top where it fits into the chair seat.

We do offer a 100% satisfaction guarantee, so if you purchase our cylinder and it does not fit your specific chair we’ll give you a full refund.

What is the weight capacity for this chair cylinder?
Our chair cylinders will support up to 1000lbs. They are all Class 4 gas lifts, which are known as the most durable, longest lasting, & highest quality gas lift cylinders.