are these the model or what just curious (Im kind of a motor head so to read it makes me think of a 4/6 cyl)

anyone? anyone? anyone? buler? buler? buler?

125 views and no one has any ideas? I see people trying to sell them yet no one knows?

yes, they are the model names for the 1998-2000 4banger and 1996/2001 straight 6, 1998-2001 straight 8. also named after types of motors and also muscle car such as the old school schwinn Stingray with a fat slick tire of 1963

http://www.schwinnbike.com/heritage/timeline.php