Originally Posted by
saratoga
I had the chain develop a stiff link and shear the rear derailleur bolt off before... there was no fixing that on the side of the road.
Take the derailleur off, shorten the chain to fit one gear, and ride home as a single speed.
No chain tool, lower the seat, and ride the bike home like a hobby horse: push with your feet on the flats, walk up hill, coast down hill.