I have a Vx-GT and a V-GT Luxe... those re suntour, both in pretty darn good shape, if these are of interest to you sent me a PM and I am sure we can work something out. Both are 1970s-early 1980s suntour longish cage touring derailleurs.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear