-
Try to find a luggage repair place near you.
Here in Tucson, a luggage store also repairs them.
BTW, they told me they rarely replace these in-line wheels but replace pretty new spinners all the time.
The spinners are way more exposed to airline abuse, plus people rip them up on cobblestone streets and other uneven surfaces, and they work so poorly on those surfaces, so people tilt it over and put all the weight on just two wheels, which those wheels were never designed for.
I just bought new suitcases from that store, with in-line wheels, but the selection was poor;
She said all the manufacturers are pushing the spinners.
Good repair business for her in the future.