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Frassie

Frassie 28 Inch Office Chair Metal Base Replacement Heavy Duty Computer Chair Base Part with 5 Casters 1 Gas Lift Cylinder

  • Based on 124 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Jul 16
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Color: Gold


Features

  • Chair base set: Included in the package: a universal cylinder, 5 high quality casters, a metal chair base, a hardware mounting kit
  • Universal size: Office chair base is 28 inches in diameter, cylinder diameter is 50 mm (2 inches), universal caster socket size (11 mm x 22 mm). Compatible with almost all gaming and office chairs, executive chairs, swivel chairs and task chairs
  • Stable metal base: The material of this computer chair base is metal, which is stable. Stable metal material provides a strong chair base. It can load up to 2500 lbs
  • 4.7" stroke cylinder: The gas lift cylinder (Class 3) length is 268 mm and the extension length is 388 mm. Stroke 120 mm (4.7 inch)
  • Smooth and quiet rolling: The desk chair base casters use precision ball bearings to provide smooth and quiet movement

Brand: Frassie


Color: Gold


Material: Metal


Product Dimensions: 28"D x 28"W x 14.5"H


Size: 28 inches (W) x 4.7 inches (H)


Brand Name: Frassie


Additional Features: Rolling, Swivel


Unit Count: 1.0 Count


Recommended Uses For Product: Office


Room Type: Office


Age Range Description: Adult


Included Components: casters, hardware mounting kit


Model Name: 350 metal base


Surface Recommendation: Multi-Surface


Indoor Outdoor Usage: Indoor


Model Number: 350


UPC: 755673677683


Manufacturer: Frassie


Set Name: Office Chair Base Set


Manufacturer Part Number: 350


Item Type Name: Base


Furniture Base Movement: Swivel


Reclining Position Count: 1


Tilting: No


Color: Gold


Back Style: Solid Back


Pattern: Solid


Shape: Star


Arm Style: Armless


Leg Style: Curved Leg


Form Factor: Metal


Item Dimensions D x W x H: 28"D x 28"W x 14.5"H


Size: 28 inches (W) x 4.7 inches (H)


Item Weight: 7 Pounds


Seat Height: 28 Inches


Seat Depth: 28 inches


Item Dimensions: 4 x 28 x 28 inches


Item Depth: 28 inches


Material Type: Metal


Frame Material Type: Metal


Product Care Instructions: Wipe Clean


Seat Material: Metal


Maximum Weight Recommendation: 2500 Pounds


Assembly Instructions Description: Requires assembly, follow included instructions carefully.


Required Assembly: Yes


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jul 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Learn more about financing & leasing here.

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Top Amazon Reviews

    • Seems sturdy, easy to assemble
Color: Gold
The plastic leg base thingy on my office chair cracked and the hydraulic column thing went through and was dragging on the floor. I needed either a new chair or a new base. This was $75, spendy, but cheaper than a whole new chair. I like the gold color, it was easy to assemble, took about five minutes. You just attach the legs to the central assembly and screw them in. I wish there was some kind of instruction on how to remove the old hydraulic thing from the chair, but YouTube helped with that. The wheels roll well enough. Hopefully it’s sturdy enough for my chonky booty, but it says heavy duty. The shiny gold is very fancy. Oh, it raises up taller now, which is great, as I always wished my chair went up just an inch higher. So if you need a replacement base for a beloved office chair, this one does the job, and it’s shiny. ... show more
Reviewed in the United States on June 11, 2023 by Beesocks
    • Good replacement for a 4-Spoke unit
Color: Silver
I purchased the replacement base to use on a old desk chair which had only four legs(not legal today). The assembling of the base was straight forward. After putting the chair onto the base the overall height was too high. This was partially due to having to add an adapter plate on the chair in order to bolt on the tilt mechanism. The most effective change to lower the height was to replace the wheels with a smaller diameter set. I could have purchased a different chair base but this one is made with steel where the others were plastic. This unit is much sturdier. ... show more
Reviewed in the United States on February 13, 2024 by SPC
    • New base saved the day! Worth the money.
Color: Gold
My velvet task chair from Wayfair broke 2 years in, and wasn't under warranty. I was reluctant to get rid of it, because I love the color and feel of the seat. After SEVERAL attempts at fixing, this base replacement was my last hail Mary before throwing out the chair. I bought a base plate and this base set, and the two together worked perfectly to restore my chair to her former glory. It feels more stable now too. Big fan of the gold, this is a very high quality base. ... show more
Reviewed in the United States on February 15, 2024 by Libby Thomas
    • OK replacement
Color: Silver
I had to replace the base of my office chair.. but now this one squeaks! It's minor and only occasionally though.
Reviewed in the United States on January 7, 2025 by Remy
    • Great replacement for chair support
Color: Gold
Strong executive chair base...replaced my old one when one of the wheel legs with the wheel for bent. Very well made a d worth every penny highly recommended.
Reviewed in the United States on February 7, 2024 by WJM
    • Wish more product details upfront
Color: Silver
A great replacement choice. Only problem is that it doesn't highlight uo front that this kit includes the longest (of four) choices of lift cylinders. I was misled as the description says 'universal' fitting. Only to find out later that there are actually four sizes of lift cylinders available on their website - all are called 'universal' LOL. Unlucky for me, my existing lift cylinder was the shortest. So instead of returning the whole package back to faithful Amazon, I just otdrtrd the extra cylinder that I needed, since I like the overall product anyway. So future buyers, check your size of cylinder first!. That's my advice! ... show more
Reviewed in the United States on June 27, 2023 by Hassan Ahmed
    • Great fit
Color: Black
Easy to install on an old but loved office chair. Made the chair feel like new. The wheels on this are great. Much better quality than the original wheels and looks like they will last a long time!
Reviewed in the United States on March 19, 2024 by KayBee
    • Works great!
Color: Gold
I bought this to put on the wide office chair that you can sit criss-cross in. It didn’t originally have any wheels on it. This fits perfectly. The wheels roll smoothly! Love the gold color option!
Reviewed in the United States on February 24, 2025 by Lori R.

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