You aren't gonna believe this but I have 2 friends that deliver for brown and drag home all kinds of bikes they find in dumpsters--nice ones. I would break the frame first like Oak said so no one will get hurt but if anyone is dumpster diving, I'm sure it will get put to good use. I know you don't want to do that but putting it in the dumpster doesn't necessarily mean it will get trashed--it might get recycled.
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"We don't stop playing because we grow old; we grow old because we stop playing." George Bernard Shaw
Luna Eclipse/Selle Italia Lady
Surly Pacer/Terry Butterfly
Quintana Roo Cd01/Koobi Stratus
1981 Schwinn Le Tour Tourist
Jamis Coda Femme