The 10 mm stems are a little shorter than that of the original roles of my old swivel chair, so that the shear forces acting on the sleeves in the stool, should be a little higher. It remains to be seen whether the bushes in stool cross by break sometime.
The sitting experience - ie the very low rolling resistance of the rollers, while sitting in his swivel chair is very pleasant. Let's see if I'm excited in a half year lways yet.
