I can fill you in on the Colt...my wife rides one

They were a smaller framed bike for the "tweens" typically they are 3 speeds with a rear coaster brake hub. They are built just like the Sports but slightly smaller. FWIW my wife is 5'-1" and the 17" ladies frame Colt is a near perfect fit, and she prefers the coaster brake.
tolfan, I am interested in one of those little odometer thingies too!
Aaron