Glad you fared relatively well. Slightly O/T but once at the outer banks, nc, I left my bike just outside a coffee shop window. As I was sitting inside, I glanced up and saw my bike moving - so I bolted out and... the wind was trying to steal it!
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1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"