[QUOTE=CroMo Mike;20611436]
Schwinn Stingray.
Anything with gaspipe frame frame or stamped dropouts or coaster brake or Ashtabula crank arms.
[/QUOTE
But ironically these are the features of the original "comfort" bikes. You know the one kids used to deliver papers. Now called Beach cruisers. Bike omfort depends on what you use it for