to my knowledge it might be a three speed, maybe its a 2 speed but the sturmey thumb handlebar shifter has 3 speeds on the window. And in the 1968 schwinn forums, it says a model comes with a front handbrake, a coaster brake and a sturmey shifter on the thumb handlebar right side. Yes, the rear tire is not original, and the rim,but the sturmey 2 or 3 speed hub on the rear is original. And the sissy bar, are u sure that model didnt come with a 36 inch sissy bar. its JD code september 1968 issue.