Joined: Jan 2013
Posts: 1,339
Likes: 7
From: Westfield, MA
Bikes: 1983 Univega Gran Turismo, 1970 Schwinn Super Sport, 2001 Univega Modo Vincere, Self-Built Nashbar Touring, 1974 Peugeot U08, 1974 Atala Grand Prix, 1986 Ross Mt. Hood, 80's Maruishi MT-18
In the last couple of pictures it looks like the chain is trying to jump into the spokes while in the low gear. Have you adjusted the derailleur limit screws so the guide pulley is in line with the low cog? I would definitely check that before riding the bike.