@siirysiir Hey, yes it is the only way to get them as far as I know and they're much cooler than the regular plain bikes so it is annoying that ownership isn't straightforward.
I've finally managed to get a load of them to sell at my retail lot and sorted ownership by leaving them at a few different public lots a few times. If they didn't automatically return to the inventory I figured out if I rode them home a few times, eventually my Sim owned them. It was proper irritating as it was different with each bike and often didn't work first time. Even after setting some for sale they still popped back in the inventory occasionally till it stuck.
