so i should be able to replace them with better casters in the future.

The casters are nice and big and roll very easy on carpet

The casters are great; it glides smoothly on wood flooring

I ordered a more durable caster to replace them

I purchased sturdier caster

After watching and reading mixed reviews from other reviewers such as those from youtube as well as from amazon (of course), I decided to take the plunge and shell out the $400+ chair

there is a knob to control the tension as you lean back so it can be as loose or as tight as you want