Join Date: May 2012
Location: North of Canada, Adirondacks, NNJ
Bikes: Too many
Please post pictures of the drive side, including a close up of the rear derailleur. It does appear to have a Shimano 600 headset. My SWAG is a 1987 SR600. Get to a self service car wash fast and lube up the bike!
Life is like riding a bicycle. To keep your balance you must keep moving. Albert Einstein
2016 Additions: 1981 Miyata 1000, 1981 Schwinn Voyageur 11.8 chrome, Schwinn Paramount 50th Anniversary, Dawes Galaxy, Raleigh International, 1985 Raleigh Alyeska