Here is a partly narrow or slightly rough S1 trail on a hiking trail. In some places not all of it is rideable for everyone, but so far it is problem-free (officially signposted bike trail Ruhsitz-Kamor).
Great trail (forest - and more sections of grass) from the restaurant Hochhamm almost to Bächli, consistently S1, a single point in the forest S2, maybe S3 upwards, but only …