OK, your bottom braket bearing on the bike have seized due to crud
TNM - do you:
a/. Blast with a pressure washer?
b/. Spray with WD40 ?
c/. Take apart - clean, grease, replace if necessary?
FFS, I'm a laboratory manager - I have a whole store of chemicals - If we get a blocked drain in the labs, I take it apart, clean it out and re-install!