YX-04 (back frame + 616 armrest)

The base is the single most load-bearing component on any office chair, yet it's usually the last thing buyers evaluate. Material choice determines weight capacity, flex behavior, durability under daily rolling and swi...

Office Chair Replacement Base: When and Why to Replace It An office chair replacement base is usually the first part to fail on a heavily used task chair, since the five-point base and its casters absorb constant rollin...

Sinking Seat Height Almost Always Means the Gas Cylinder Has Failed If a chair slowly drops under weight even after the height lever has been released, the pneumatic seal inside the gas cylinder has lost its ability to...

What Makes a Nylon Chair Base Different A nylon chair base is the five-star or four-star pedestal assembly that supports the seat of an office or task chair, typically injection-moulded from glass-filled polyamide (PA6 ...