Depending on the brand we are able to offer you either single wheels or only complete wheel sets.
Depending on which of the wheels is broken the wheel will have a different orientation. To avoid delivering you the wrong orientation of wheel many brands opt to only sell wheel sets of either 2 or 4 wheels.
Even though some brands offer separate wheels for most spare parts it is possible that specialized spare parts are only available as sets. At suitcase.repair we are not able to offer the separate wheels unless it is listed on the product page together with the set.
Important: To ensure that your suitcase will roll evenly and to avoid accelerated wear on the remaining wheels we recommend replacing all wheels at the same time.