Originally Posted by velocipedio

simplyred... a cyclo-cross bike can be whatever you want it to be. it can have 26" wheels and flat bars or disc brakes and suspension or moustache bars and a fixed gear or 700c wheels and aero bars or panniers and a pogo seatpost or two wheels or one or three.

cyclo-cross is whatever you want to call cyclo-cross. commuting is cyclo-cross. mountain biking is cyclo-cross. touring is cyclo-cross. bmx is cyclo-cross. grass track racing is cyclo-cross. road cycling is cyclo-cross.

cyclo-cross is anything you want to do with any bike. or without a bilke at all.

thus any bike is a cyclo-cross bike and anything that you do, including creating a single speed cross bike with a suspension fork, is cyclo-cross.

hope that clears everything up.