Fair used rider / Survivor condition. Original vintage 1940's Schwinn parts not repops. 3/8" tube size used from approximately 1946-52. (1953 went to 1/2" diameter truss rods) These will fit all years Schwinn mens and ladies balloon tire bicycles with S2 rims only will not work on middleweight models with s7 rims. Please see all pics for exact condition and measurements.