Yes they were made for fenders. Just find the right ones not all the old lightweight Schwinn fenders will fit all lightweight models. I found this out when I had to make a special lenght hex nut for mine. Find some that came from a Varsity or Continental.
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(Life is too short to play crappy guitars) 2006 Raleigh Cadent 3.0, 1977 Schwinn Volare, 2010 Windsor tourist. ( I didn't fall , I attacked the floor)