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Measure Gas Cylinder

Our office chair cylinders are typically universal. The only difference between all standard cylinders is what height they make your seat. So, whether you want to keep it simple or get technical, we're here to help!  

Keep it simple (1 minute option):

If you bought your chair at a big box type store, and want a standard cylinder that's "close enough" for a table or desk, try these:

  • S6111 cylinder - it may be a little taller than your existing cylinder but of course, you can adjust that down using the lever.
  • S6222 cylinder - this is about 2" shorter than the one above - probably pretty close to the existing size.
  • If you’re 250# +, choose the HD version - the taller S6111-HD or shorter S6222-HD.


Getting warmer (3 minute option):

First confirm you have a standard cylinder here with one quick measurement.

Next, find the travel here with two easy steps. 

Finally, select the closest cylinder to your travel:

Travel Standard Cylinder (<250#) Heavy Duty Cylinder (>250#) Chrome
3" S6103 N/A  N/A 
3.75" S6106 S6106-HD S6209
4.25" S6222 S6222-HD N/A 
5" S6111 S6111-HD S6133
8" S6115 S6115-HD S6117
10" S6120 S6120-HD S6184


For the technical (5 minute option): 

Click on the button below to access our easy-to-use gas lift sizing guide.

Then, if you have removed the clip, determine measurements 1, 2, and 3 and compare with the product listings here.

If you have not removed the clip, find your cylinder based on the travel in the table above and compare your other measurements within the product listing. Give us a call or email us if your measurements vary slightly, and we can tell you how it will affect the height of your seat! 



For Steelcase parts, click here.

For Herman Miller parts, click here.


Wondering what all of that stamping or engraving on the piston means, read this!

Convinced you have a specialty cylinder that is 1", not 2"? You may - but let's first confirm here

Want your replacement cylinder taller or shorter than the existing one? We can help! Call or email us.

Did you know that you can convert any chair with a standard cylinder into a stool? Here's how.

Note: All of our non-specialty gas cylinders work with all of our bases and with all of our mechanisms!