Simucube uses the hid-pidff driver which is built into the kernel. For setting up the base using the SC2 software there is a guide available[0]. I’m not an SC owner myself but there are a few people on the SimRacingOnLinux[1] discord who seem to have everything working nicely.

0: https://granitedevices.com/wiki/Using_Simucube_wheel_base_in...

1: https://simracingonlinux.com