The Crandall Office Furniture aftermarket Herman Miller Aeron Chair Top Activated 8″ Stool Conversion Kit will allow you to convert your standard height Herman Miller Aeron chair using a top activated cylinder (Manufactured before 6/26/2013) to a stool or sit-to-stand height chair.
Our Herman Miller Herman Miller Aeron Classic gas cylinders are made to fit all Herman Miller Aeron Classic chairs manufactured before 06-26-2013.
This gas cylinder will not work with the newer remastered style Aeron chair.
Click here if you need help identifying your chair or manufacturing date.
Click here for the newer side activated style Herman Miller Aeron Stool Conversion Kit.
This kit includes the following:
- Crandall Office Furniture aftermarket 8″ Stool Gas Cylinder
- Crandall Office Furniture aftermarket 20″ Chrome Foot Ring
- Discount for Purchasing These Items Together
8″ Stool Cylinder Specs:
- Overall Length / Maximum Extension: 22.25″
- Overall Length / Minimum Extension: 14.40″
- Amount of adjustment: 7.85″
Rudy R. (verified owner) –
Customer Service was super helpful to ensure this was the right fit, and it was. Installed a counter height desk in our home with two seat spots. These kits helped us convert 2 of our Aeron (both yr 2000 date) desk chairs to counter height. Great quality (important for high end brand) and highly recommend!
Anonymous (verified owner) –
Works as advertised!
Brian (verified owner) –
The stool conversion kit was exactly as advertised, but the customer service was amazing!
Chip Richardson (verified owner) –
Verified Buyer (verified owner) –
Carlo (verified owner) –
Never worked on office furniture before at all, but with the description and the Videos on YouTube I was able to convert my Aeron to a stool, no problem. Like the videos showed, my 10 year old chair cylinder fitted TIGHT and I did need to get a bigger pipe wrench to get the job done, but I’m sitting happy and comfy now using only the video for instructions (and the Crandall folks seem to be very cool people, it shows).
A suggestion: Maybe go through your kits in the online store and link or embed the appropriate install video? It really gave me the confidence I could do it myself so that probably would help people make a buying decision as well.